M. Thumm

Publication List Details

Period

2000 - 2009

Number

1000

Co-Authors

Design of highly-efficient GaN x-band-power-amplifier MMICs (2009)

Kühn, J., Van Raay, F., Quay, R., Kiefer, R., Maier, T., Stibal, R., ...

This paper describes the design and realization of efficient GaN/AlGaN MMICs for X-band frequencies (8-12 GHz) in microstrip- transmission-line-technology on 3-inch s.i.SiC substrates. Four...

Recent design steps towards a 4 MW 170 GHz coaxial gyrotron for future fusion devices. (2009)

Beringer, M.H., Illy, S., Kern, S., Rode, J.C., Thumm, M.

5th IAEA Technical Meeting on ECRH Physics and Technology for Large Fusion Devices, Gandhinagar, IND, February 18-20, 2009

Status of development of high power coaxial-cavity gyrotron at FZK. (2009)

Gantenbein, G., Rzesnicki, T., Alberti, S., Goodman, T., Hogge, J.P., Illy, S., ...

5th IAEA Technical Meeting on ECRH Physics and Technology for Large Fusion Devices, Gandhinagar, IND, February 18-20, 2009

Proposal for ITER ECRH component tests at the 2 MW power level. (2009)

Erckmann, V., Kasparek, W., Petelin, M., Bruschi, A., Cirant, S., Lubyako, L., ...

5th IAEA Technical Meeting on ECRH Physics and Technology for Large Fusion Devices, Gandhinagar, IND, February 18-20, 2009

Testing and development of a 2MW/170GHz coaxial-cavity gyrotron for ITER in the CRPP gyrotron test stand. (2009)

Porte, L., Alberti, S., Albajar, F., Avramides, K.A., Benin, P., Bin, W., ...

5th IAEA Technical Meeting on ECRH Physics and Technology for Large Fusion Devices, Gandhinagar, IND, February 18-20, 2009

Transmission system for ECRH on Wendelstein 7-X. (2009)

Lechte, C., Kasparek, W., Erckmann, V., Laqua, H., Michel, G., Gantenbein, G., ...

Institut für Plasmaforschung Universität Stuttgart, Annual Report 2008 S.36-37

A fast switch for high-power microwaves. (2009)

Plaum, B., Kasparek, W., Erckmann, V., Michel, G., Zohm, H., Lubyako, L., ...

Institut für Plasmaforschung Universität Stuttgart, Annual Report 2008 S.43-44

Electron cyclotron resonance heating for W7-X. (2009)

Michel, G., Brand, P., Braune, H., Erckmann, V., Gantenbein, G., Kasparek, W., ...

18th Topical Conf.on Radio Frequency Power in Plasmas, Gent, B, June 24-26, 2009

Progress on gyrotrons for ITER and future fusion reactors. (2009)

Thumm, M.

18th Topical Conf.on Radio Frequency Power in Plasmas, Gent, B, June 24-26, 2009

Investigations on parasitic oscillations in megawatt gyrotrons. (2009)

Kern, S., Schlaich, A., Flamm, J., Gantenbein, G., Latsas, G., Rzesnicki, T., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Resonator studies of a 170 GHz, 200-250 kW, long-pulse gyrotron. (2009)

Kartikeyan, M.V., Mudiganti, J.C., Shukla, B., Borie, E., Thumm, M.

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Design studies of a quasi-optical launcher for a 170 GHz, 200-250 kW gyrotron. (2009)

Jain, R., Kartikeyan, M.V., Thumm, M.

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Towards the 2 MW RF output power of the coaxial cavity gyrotron pre-prototype for ITER. (2009)

Rzesnicki, T., Piosczyk, B., Gantenbein, G., Jin, J., Kern, S., Samartsev, A., ...

36th International Conference on Plasma Science (ICOPS) and 23rd Symposium on Fusion Engineering (SOFE-23), San Diego, Calif., May 31 - June 5, 2009

A new method for the design of quasi-optical launchers for high power gyrotrons. (2009)

Jin, J., Thumm, M., Piosczyk, B., Kern, S., Rzesnicki, T., Flamm, J.

36th International Conference on Plasma Science (ICOPS) and 23rd Symposium on Fusion Engineering (SOFE-23), San Diego, Calif., May 31 - June 5, 2009

Recent design steps towards a 4 MW 170 GHz coaxial-cavity gyrotron. (2009)

Beringer, M.H., Illy, S., Kern, S., Rode, J.C., Thumm, M.

21st Joint Russian-German Workshop on ECRH and Gyrotrons, Greifswald, May 11-16, 2009

Operation of the FZK gyrotron high voltage supplies and plans for future upgrades. (2009)

Schmid, M., Gantenbein, G., Thumm, M.

21st Joint Russian-German Workshop on ECRH and Gyrotrons, Greifswald, May 11-16, 2009

Recent developments on the W7-X 140 GHz gyrotron. (2009)

Gantenbein, G., Braune, H., Dammertz, G., Erckmann, V., Illy, S., Kern, S., ...

21st Joint Russian-German Workshop on ECRH and Gyrotrons, Greifswald, May 11-16, 2009

Characterization of parasitic oscillations in multifrequency gyrotron. (2009)

Samartsev, A., Gantenbein, G., Dammertz, G., Flamm, J., Kern, S., Rzesnicki, T., ...

21st Joint Russian-German Workshop on ECRH and Gyrotrons, Greifswald, May 11-16, 2009

A new method for the design of quasi-optical mode converter for high power gyrotron. (2009)

Jin, J., Thumm, M., Piosczyk, B., Kern, S., Flamm, J., Rzesnicki, T., ...

21st Joint Russian-German Workshop on ECRH and Gyrotrons, Greifswald, May 11-16, 2009

History, present status and future of gyrotrons. (2009)

Thumm, M.

10th Internat.Vacuum Electronics Conf.(IVEC 2009), Roma, I, April 28-30, 2009

History, present state-of-the-art and future of gyrotrons. (2009)

Thumm, M.

IPP Kolloquium, Max-Planck-Institut für Plasmaphysik (IPP), Greifswald, 19.Juni 2009

Major progress in the development of the 2 MW coaxial-cavity gyrotron for ITER. (2009)

Rzesnicki, T., Piosczyk, B., Gantenbein, G., Jin, J., Kern, S., Samartsev, A., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Multi-frequency ECRH system at ASDEX upgrade. (2009)

Wagner, D., Stober, J., Franke, T., Leuterer, F., Poli, E., Monaco, F., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Design of X-band GaN MMICs using field plates. (2009)

Kühn, J., Van Raay, F., Quay, R., Kiefer, R., Peschel, D., Mikulla, M., ...

European Microwave Week (EuMW 2009), Roma, I, September 28 - October 2, 2009

Recent investigations on stable operation of high-power gyrotrons. (2009)

Gantenbein, G., Dammertz, G., Erckmann, V., Illy, S., Kern, S., Rzesnicki, T., ...

US-EU-JPN RF Heating Technology Workshop, Dazaifu-City, Fukuoka, J, September 16-18, 2009

Further design steps towards a 4 MW 170 GHz coaxial-cavity gyrotron. (2009)

Beringer, M.H., Illy, S., Jin, J., Kern, S., Rode, C., Thumm, M.

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Design of magnetron injection guns - a 3D simulation approach. (2009)

Mudiganti, J.C., Kartikeyan, M.V., Thumm, M.

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Recent upgrades and extensions of the new multi-frequency ECRH system at ASDEX upgrade. (2009)

Wagner, D., Stober, J., Bäumel, S., Franke, T., Leuterer, F., Monaco, F., ...

US-EU-JPN RF Heating Technology Workshop, Dazaifu-City, Fukuoka, J, September 16-18, 2009

High power microwaves for fusion plasma heating. (2009)

Thumm, M.

12th Internat.Conf.on Microwave and High Frequency Heating (AMPERE 2009), Karlsruhe, September 7-10, 2009

Verification of selective microwave heating by use of Raman spectroscopy. (2009)

Link, G., Faubel, W., Heissler, St., Weidler, P.G., Thumm, M.

12th Internat.Conf.on Microwave and High Frequency Heating (AMPERE 2009), Karlsruhe, September 7-10, 2009

Highly efficient quasi-optical mode converter for coaxial ITER gyrotron at FZK. (2009)

Jin, J., Thumm, M., Piosczyk, B., Kern, S., Li, G., Rzesnicki, T.

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

2 MW, 170 GHz pre-prototype coaxial-cavity gyrotron for ITER. (2009)

Thumm, M., Rzesnicki, T., Piosczyk, B., Flamm, J., Gantenbein, G., Illy, S., ...

US-EU-JPN RF Heating Technology Workshop, Dazaifu-City, Fukuoka, J, September 16-18, 2009

Recent progress in the ITER EC H&CD system. (2009)

Henderson, M., Albajar, F., Alberti, S., Baruah, U., Bigelow, T., Becket, B., ...

US-EU-JPN RF Heating Technology Workshop, Dazaifu-City, Fukuoka, J, September 16-18, 2009

An overview of the ITER electron cyclotron H&CD system (2009)

Henderson, M., Albajar, F., Alberti, S., Baruah, U., Bigelow, T., Becket, B., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Design of X-band GaN MMICs using field plates (2009)

Kühn, J., Van Raay, F., Quay, R., Kiefer, R., Peschel, D., Mikulla, M., ...

Two field plate variants of AlGaN/GaN-HEMTs with and without source-connected field plate ("shield") were analyzed for the design of efficient High-Power-Amplifier MMICs operating at X-Band...

10 MW, 0.14THz, CW gyrotron and optical transmission system for fusion plasma heating. (2009)

Thumm, M., Brand, P., Braune, H., Dammertz, G., Erckmann, V., Gantenbein, G., ...

Internat.Symp.on Frontier of Terahertz Spectroscopy III : Next Generation Technology in THz Frequency Region and its Application to THz Sensitive Spectroscopy and Sensing, Fukui, J, October 22-23,...

Device and design optimization for AlGaN/GaN X-band-power-amplifiers with high efficiency (2009)

Kühn, J., Van Raay, F., Quay, R., Kiefer, R., Mikulla, M., Seelmann-Eggebert, M., ...

The design, realization and characterization of dual-stage X-band high-power and highly-efficient monolithic microwave integrated circuit (MMIC) power amplifiers (PAs) with AlGaN/GaN high electronic...

2.2 MW record power of the 0.17 THz European pre-prototype coaxial-cavity gyrotron for ITER. (2009)

Thumm, M., Rzesnicki, T., Piosczyk, B., Flamm, J., Gantenbein, G., Illy, S., ...

2nd Shenzhen Internat.Conf.on Advanced Science and Technology - Terahertz Science and Technology and Application, Shenzhen, China, November 15-20, 2009

Balanced microstrip AlGaN/GaN HEMT power amplifier MMIC for X-band applications (2008)

Kühn, J., Van Raay, F., Quay, R., Kiefer, R., Bronner, W., Seelmann-Eggebert, M., ...

This paper describes a balanced AlGaN/GaN HEMT single-stage power amplifier demonstrator for X-band frequencies in microstrip line technology on thinned s.i. SiC substrates. The design features a...

The 10 MW, CW, ECRH-plant for W7-X: status and high power performance. (2008)

Erckmann, V., Braune, H., Laqua, H.P., Marushchenko, N.B., Michel, G., Turkin, Y., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

Recent experimental results on the 170 GHz, 2 MW coaxial cavity pre-prototype gyrotron for ITER. (2008)

Rzesnicki, T., Piosczyk, B., Flamm, J., Jin, J., Kern, S., Prinz, O., ...

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Progress with the new multi-frequency ECRH system for ASDEX upgrade. (2008)

Wagner, D., Leuterer, F., Stober, J., Manini, A., Monaco, F., Münich, M., ...

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

Recent results in high power gyrotron development for W7-X at FZK. (2008)

Gantenbein, G., Braune, H., Dammertz, G., Erckmann, V., Illy, S., Kern, S., ...

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

Recent development of the step-tunable gyrotron at FZK. (2008)

Prinz, O., Arnold, A., Flamm, J., Gantenbein, G., Thumm, M.

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

Theoretical study of 174 GHz operation of the W7-X 1 MW, 140 GHz gyrotron. (2008)

Kern, S., Borie, E., Illy, S., Prinz, O., Thumm, M.

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Status of the European 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2008)

Piosczyk, B., Alberti, S., Albajar, F., Avramidis, K., Benin, P., Bonicelli, T., ...

7th Internat.Workshop Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

Steady state ECRH for next step magnetic fusion devices. (2008)

Erckmann, V., Brand, P., Braune, H., Gantenbein, G., Kasparek, W., Laqua, H.P., ...

25th Symp.on Fusion Technology (SOFT 2008), Rostock, September 15-19, 2008

Multi-frequency ECRH at ASDEX upgrade. (2008)

Wagner, D., Franke, T., Leuterer, F., Monaco, F., Münich, M., Schütz, H., ...

7th Internat.Workshop Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

Improved launcher/mode converter for coaxial cavity ITER gyrotron. (2008)

Jin, J., Thumm, M., Piosczyk, B., Rzesnicki, T.

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

A revised ITER EC system baseline design proposal. (2008)

Henderson, M.A., Alberti, S., Chavan, R., Fasel, D., Goodman, T.P., Pagonakis, I.G., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

Status of experiments on the EU 2MW coaxial cavity ITER gyrotron pre-prototype at FZK. (2008)

Kern, S., Rzesnicki, T., Gantenbein, G., Illy, S., Jin, J., Piosczyk, B., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

On the way to a multi-frequency ECRH system for ASDEX upgrade. (2008)

Stober, J., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

First experimental results from the EU 2 MW coaxial cavity ITER gyrotron prototype. (2008)

Goodman, T.P., Alberti, S., Droz, E., Fasel, D., Hogge, J.P., Porte, L., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

The W7-X 140 GHz, 1MW gyrotron - status and recent results. (2008)

Gantenbein, G., Dammertz, G., Illy, S., Leonhardt, W., Piosczyk, B., Schmid, M., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

High power microwave system for fluid injection applications. (2008)

Stanculovic, S., Feher, L., Thumm, M.

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

Industrial microwave heated fluid injector. (2008)

Stanculovic, S., Feher, L., Thumm, M.

1st Global Congress on Microwave Energy Applications, Otsu, J, August 4-8, 2008

Novel methods to investigate microwave specific effects. (2008)

Link, G., Heissler, S., Faubel, W., Weidler, P., Miksch, S., Thumm, M.

1st Global Congress on Microwave Energy Applications, Otsu, J, August 4-8, 2008

Coaxial-2D-1D two-mirror cavity free-electron maser experiment. (2008)

MacInnes, P., Konoplev, I.V., Cross, A.W., He, W., Phelps, A.D.R., Whyte, C.G., ...

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

Characterization of windows for fusion applications using a D-band network analyzer. (2008)

Flamm, J., Schlaich, A., Arnold, A., Prinz, O., Heidinger, R., Thumm, M.

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Heating patterns of microwave exposed liquid polymers. (2008)

Komarov, V., Thumm, M., Feher, L., Akhtar, J.

1st Global Congress on Microwave Energy Applications, Otsu, J, August 4-8, 2008

Investigation of making iron by millimeter-wave heating. (2008)

Takayama, S., Link, G., Matsubara, A., Louzguine, D., Sano, S., Sato, M., ...

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

IR-spectroscopy for in-situ investigation of microwave processes. (2008)

Link, G., Heissler, St., Faubel, W., Weidler, P., Thumm, M.

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

170 GHz, 2 MW coaxial cavity gyrotron - experimental investigations on the pre-prototype tube. (2008)

Rzesnicki, T., Piosczyk, B., Flamm, J., Jin, J., Kern, S., Prinz, O., ...

9th IEEE Internat.Vacuum Electronics Conf. (IVEC 2008), Monterey, Calif., April 22-24, 2008

Advanced quasi-optical mode converter for a multi-frequency gyrotron. (2008)

Prinz, O., Gantenbein, G., Thumm, M.

9th IEEE Internat.Vacuum Electronics Conf. (IVEC 2008), Monterey, Calif., April 22-24, 2008

Status of the new multi-frequency ECRH system at ASDEX upgrade. (2008)

Wagner, D., Grünwald, G., Hicks, N., Leuterer, F., Monaco, F., Münich, M., ...

Workshop on RF-Heating Technology for Fusion Plasmas 2008, San Diego, Calif., September 10-12, 2008

Progress of the 10-MW 140-GHz ECH system for the stellarator W7-X. (2008)

Thumm, M., Gantenbein, G., Illy, S., Piosczyk, B., Schmid, M., Braune, H., ...

Workshop on RF-Heating Technology for Fusion Plasmas 2008, San Diego, Calif., September 10-12, 2008

Progess of the European 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2008)

Thumm, M., Flamm, J., Gantenbein, G., Illy, S., Jin, J., Kern, S., ...

Workshop on RF-Heating Technology of Fusion Plasmas 2008, San Diego, Calif., September 10-12, 2008

1 MW, 140 GHz series gyrotrons for the W7-X stellarator. (2008)

Thumm, M., Braune, H., Dammertz, G., Erckmann, V., Gantenbein, G., Illy, S., ...

7th Internat.Workshop on Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

The 10 MW, CW, ECRH-plant for W7-X: status and high power performance. (2008)

Erckmann, V., Brand, P., Braune, H., Gantenbein, G., Kasparek, W., Laqua, H.P., ...

7th Internat.Workshop Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

Progress with the new multi-frequency ECRH system for ASDEX upgrade. (2008)

Wagner, D., Franke, T., Leuterer, F., Monaco, F., Münich, M., Schütz, H., ...

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Status of development of the 2MW, 170 GHz coaxial-cavity gyrotron for ITER. (2008)

Alberti, S., Albajar, F., Avramides, K.A., Benin, P., Bin, W., Bonicelli, T., ...

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Generation of powerful coherent radiation based on 2D distributed feedback. (2008)

Ginzburg, N.S., Peskov, N.Yu., Sergeev, A.S., Zaslavsky, V.Yu., Arzhannikov, A.V., Kalinin, P.V., ...

7th Internat.Workshop on Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

IR spectroscopy diagnostics for microwave processing. (2008)

Link, G., Heissler, St., Faubel, W., Weidler, P., Thumm, M.

7th Internat.Workshop on Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

Improved quasi-optical launcher for coaxial cavity ITER gyrotron. (2008)

Jin, J., Thumm, M., Piosczyk, B., Flamm, J., Prinz, O., Rzesnicki, T.

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Towards a 4 MW 170 GHz coaxial gyrotron resonator design. (2008)

Beringer, M.H., Kern, S., Liu, Y.H., Thumm, M.

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

Towards a 4MW 170 GHz coaxial gyrotron resonator and gun design. (2008)

Beringer, M.H., Kern, S., Illy, S., Thumm, M.

1st ITG Internat.Vacuum Electronics Workshop, Bad Honnef, November 10-11, 2008

1 MW 140 Ghz gyrotron development for W7-X at FZK. (2008)

Gantenbein, G., Braune, H., Dammertz, G., Erckmann, V., Illy, S., Kern, S., ...

1st ITG Internat.Vacuum Electronics Workshop, Bad Honnef, November 10-11, 2008

Megawatt microwave power. (2008)

Thumm, M.

Seminar on Recent Advances in High Power Microwave Research and Applications, Melbourne, AUS, January 29-31, 2008

Recent progress in the ITER EC H&CD system. (2008)

Henderson, M., Darbos, C., Albajar, F., Bigelow, T., Bonicelli, T., Chavan, R., ...

Workshop on RF-Heating Technology for Fusion Plasmas 2008, San Diego, Calif., September 10-12, 2008

CVD diamond disks and shells for nuclear fusion experiments. (2008)

Wörner, E., Wild, C., Müller-Sebert, W., Kriele, A., Brink, D., Heidinger, R., ...

35th IEEE Internat.Conf.on Plasma Science (ICOPS), Karlsruhe, June 15-19, 2008

10 MW, 140 GHz, CW millimeter wave heating system for the stellarator W7-X. (2008)

Thumm, M., Dammertz, G., Gantenbein, G., Illy, S., Leonhardt, W., Neffe, G., ...

Development of Physics and Technology of Stellarators/Heliotrons en route to DEMO : 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

Status and high power performance of the 10-MW 140 GHz ECH system for the stellarator W7-X. (2008)

Thumm, M., Brand, P., Braune, H., Erckmann, V., Gantenbein, G., Illy, S., ...

Development of Physics and Technology of Stellarators/Heliotrons en route to DEMO : 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

Proof of non-thermal effects in microwave sintered zirconia ceramics by microstructure analysis. (2008)

Link, G., Miksch, S., Thumm, M.

Ceramic Forum International: cfi / Berichte der Deutschen Keramischen Gesellschaft, 85(2008) Nr.13 S.55-59

Status and high power performance of the 10-MW 140-GHz ECH system for the stellarator W7-X. (2008)

Thumm, M., Brand, P., Braune, H., Erckmann, V., Gantenbein, G., Illy, S., ...

Development of Physics and Technology of Stellarators/Heliotrons en route to DEMO : Proc.of the 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

EU megawatt-class 140-GHz CW gyrotron (2007)

Thumm, M., Alberti, S., Arnold, A., Brand, P., Braune, H., Dammertz, G., ...

The first series tube of the gyrotrons for the 10-MW electron cyclotron resonance heating system of the stellarator W7-X was tested at Forschungszentrum Karlsruhe (FZK) and yielded a total output...

Recent evolution of the simulation tools for computer aided design of electron-optical systems for powerful gyrotrons (2007)

Sabchevski, S., Zhelyazkov, I., Thumm, M., Illy, S., Piosczyk, B., Tran, T. M., ...

Computer aided design of powerful gyrotrons for electron cyclotron resonance heating and current drive of fusion plasmas requires adequate physical models and efficient software packages for...

High-power experiments with 140 GHz series gyrotrons for W7-X. (2007)

Gantenbein, G., Braune, H., Dammertz, G., Alberti, S., Erckmann, V., Hogge, J.P., ...

8th IEEE Internat.Vacuum Electronics Conf. (IVEC 2007), Kitakyushu, J, May 15-17, 2007

Microwave sintering techniques - more than just a different way of heating? (2007)

Link, G., Miksch, S., Thumm, M.

31st Internat.Cocoa Beach Conf.and Exhibition on Advanced Ceramics and Composites, Daytona Beach, Fla., January 21-26, 2007

Status of the 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2007)

Piosczyk, B., Albajar, F., Alberti, S., Benin, P., Bin, W., Bonicelli, T., ...

4th IAEA Technical Meeting on ECRH Physics and Technology for ITER, Wien, A, June 6-8, 2007

Status of the new multi-frequency ECRH system for ASDEX upgrade. (2007)

Wagner, D., Leuterer, F., Manini, A., Monaco, F., Münich, M., Schütz, H., ...

4th IAEA Technical Meeting on ECRH Physics and Technology for ITER, Wien, A, June 6-8, 2007

EU megawatt-class 140-GHz CW gyrotron. (2007)

Thumm, M., Alberti, S., Arnold, A., Brand, P., Braune, H., Dammertz, G., ...

IEEE Transactions on Plasma Science, 35(2007) S.143-53

Novel microwave resin injector for composite production. (2007)

Stanculovic, S., Feher, L., Thumm, M.

41st IMPI Annual Microwave Symp., Vancouver, CDN, August 1-3, 2007

Matching the output beam of a multi-frequency gyrotron to a Brewster window with small aperture. (2007)

Prinz, H.O., Gantenbein, G., Thumm, M.

8th IEEE Internat.Vacuum Electronics Conf. (IVEC 2007), Kitakyushu, J, May 15-17, 2007

Reduction of magnetite in air by use of microwave heating. (2007)

Takayama, S., Link, G., Thumm, M., Matsubara, A., Sato, M., Sano, S.

8th IEEE Internat.Vacuum Electronics Conf. (IVEC 2007), Kitakyushu, J, May 15-17, 2007

Improvement of quasi-optical mode converter for 170 GHz coaxial cavity gyrotron at FZK. (2007)

Jin, J., Thumm, M., Piosczyk, B., Flamm, J., Rzesnicki, T.

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

Sintering in polarized microwave fields. A novel method to proof non-thermal microwave effects. (2007)

Link, G., Miksch, S., Takayama, S., Thumm, M.

10th Internat.Conf.and Exhibition of the European Ceramic Society, Berlin, June 17-21, 2007

Quasi-optical gyrotron mode converters. (2007)

Thumm, M.

6th Greek School on Fusion Physics and Technology, Volos, GR, March 26-31, 2007

State-of-the-art of gyro-devices and free electron masers. (2007)

Thumm, M.

6th Greek School on Fusion Physics and Technology, Volos, GR, March 26-31, 2007

The quasi-optical RF output system for the 2 MW, 170 GHz, coaxial cavity gyrotron. (2007)

Piosczyk, B., Flamm, J., Gantenbein, G., Jin, J., Thumm, M.

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

170 GHz, 2 MW coaxial cavity gyrotron - status. (2007)

Piosczyk, B., Albajar, F., Alberti, S., Benin, P., Bin, W., Bonicelli, T., ...

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

1 MW, 140 GHz, CW gyrotron for W7-X. Status report on series gyrotrons. (2007)

Gantenbein, G., Braune, H., Dammertz, G., Erckmann, V., Illy, S., Kasparek, W., ...

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

The quasi-optical RF output system for the 170 GHz, 2 MW coaxial cavity gyrotron. (2007)

Rzesnicki, T., Piosczyk, B., Flamm, J., Gantenbein, G., Jin, J., Thumm, M., ...

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

50 Hertz transverse field collector sweep system for the W7-X gyrotron. (2007)

Schmid, M., Illy, S., Dammertz, G., Thumm, M., Erckmann, V.

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

Dual frequency operation of the W7-X gyrotron. (2007)

Michel, G., Braune, H., Erckmann, V., Laqua, H., Noke, F., Purps, F., ...

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

Progress with the new multi-frequency ECRH system for ASDEX upgrade. (2007)

Wagner, D., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

A 250 GHz, 50 W, CW second harmonic gyrotron. (2007)

Kartikeyan, M.V., Borie, E., Thumm, M.

International Journal of Infrared and Millimeter Waves, 28(2007) S.611-19

Current status of the quasi-optical mode converter for the 105-143 GHz multi-frequency gyrotron. (2007)

Prinz, O., Arnold, A., Gantenbein, G., Piosczyk, B., Thumm, M.

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

Analysis of a TE§2§2§,§6 118-GHz quasi-optical mode converter. (2007)

Prinz, H.O., Arnold, A., Dammertz, G., Thumm, M.

IEEE Transactions on Microwave Theory and Techniques, 55(2007) S.1697-1703

First experience with the new multi-frequency ECRH system at ASDEX upgrade. (2007)

Wagner, D., Leuterer, F., Manini, A., Monaco, F., Münich, M., Schütz, H., ...

Workshop on RF Heating Technology of Fusion Plasmas, Heidelberg, September 10- 12, 2007

Critical issues associated with the ITER ECH system. (2007)

Henderson, M.A., Saibene, G., Albajar, F., Alberti, S., Bonicelli, T., Chavan, R., ...

Workshop on RF Heating Technology of Fusion Plasmas, Heidelberg, September 10- 12, 2007

Investigations on non-thermal effects during microwave processing at FZK. (2007)

Link, G., Miksch, S., Thumm, M., Faubel, W., Heissler, S.

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

Kommerzielle Gyrotrons und deren Anwendung beim Sintern. (2007)

Link, G., Thumm, M.

IPF-Workshop, Freudenstadt, 25.-26.September 2007

10 MW, 140 GHz, CW gyrotron and optical transmission system for millimeter wave heating of plasmas in the stellarator W7-X. (2007)

Thumm, M., Dammertz, G., Gantenbein, G., Illy, S., Leonhardt, W., Neffe, G., ...

1st Shenzhen Internat.Conf.on Advanced Science and Technology - THz Radiation Science and Technology, Shenzhen, China, November 18-23, 2007

Nicht-thermische Effekte beim Mikrowellensintern von ZrO§2 Keramik. (2007)

Link, G., Miksch, S., Thumm, M.

Symp.'Thermische Verfahrenstechnik in der Keramik', Erlangen, 27.-28.November 2007

Status of the 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2007)

Piosczyk, B., Rzesnicki, T., Albajar, F., Alberti, S., Benin, P., Bin, W., ...

Workshop on RF Heating Technology of Fusion Plasmas, Heidelberg, September 10- 12, 2007

Progress on the 10 MW GHz ECH system for the stellarator W7-X. (2007)

Thumm, M., Dammertz, G., Gantenbein, G., Illy, S., Leonhardt, W., Neffe, G., ...

Pulsed Power and Plasma Science Conf., Albuquerque, N.M., June 17-22, 2007

Wir machen Wellen - und zwar Mikrowellen. (2007)

Thumm, M.

Industrielle Mikrowellen- und Materialprozesstechnik, Symposium anlässlich der Einweihung des HEPHAISTOS-Versuchszentrums und der Mikrowellenanlage HEPHAISTOS-CA3 am Institut für...

Reduction of magnetite in air by use of microwave heating. (2007)

Takayama, S., Link, G., Thumm, M., Matsubara, A., Sato, M., Sano, S., ...

Journal of the Japanese Society of Powder and Powder Metallurgy, 54(2007) S.590-94

Reduction behavior of magnetite for microwave frequency. (2007)

Takayama, S., Link, G., Sano, S., Sato, M., Thumm, M.

Joint Conf.of 17th Internat.Toki Conf.on Physics of Flows and Turbulence in Plasmas and 16th Internat.Stellarator/Heliotron Workshop 2007, Toki, J, October 15-19, 2007

Present status of the new multi-frequency ECRH system for ASDEX upgrade. (2007)

Wagner, D., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

4th IAEA Technical Meeting on ECRH Physics and Technology for ITER, Wien, A, June 6-8, 2007

High-power gyrotron development at Forschungszentrum Karlsruhe for fusion applications (2006)

Dammertz, G., Alberti, S., Arnold, A., Bariou, D., Brand, P., Braune, H., ...

In the first part of this paper, the status of the 140-GHz continuously operated gyrotrons with an output power of I MW for the stellarator Wendelstein 7-X will be described. With the first series...

High power gyrotron development in EU for present fusion experiments and for ITER. (2006)

Thumm, M., Alberti, S., Arnold, A., Bariou, D., Dammertz, G., Darbos, C., ...

Workshop on Electron Cyclotron Masers (ECMs) for Fusion Engineering and other Applications (EFEA-2006), Roorkee, IND, April 18, 2006

Improved beam-forming mirror system for a multi-frequency gyrotron at FZK. (2006)

Yang, X., Arnold, A., Dammertz, G., Koppenburg, K., Piosczyk, B., Wagner, D., ...

2006 IEEE Internat.Vacuum Electronics Conf.held jointly with the 2006 IEEE Internat.Vacuum Electron Sources Conf. (IVEC/IVESC 2006), Monterey, Calif., April 25-27, 2006

Status of the 1-MW, 140 GHz, CW gyrotron for W7-X. (2006)

Gantenbein, G., Dammertz, G., Alberti, S., Arnold, A., Erckmann, V., Giguet, E., ...

2006 IEEE Internat.Vacuum Electronics Conf.held jointly with the 2006 IEEE Internat.Vacuum Electron Sources Conf. (IVEC/IVESC 2006), Monterey, Calif., April 25-27, 2006

170 GHz, 2 MW coaxial cavity gyrotron. Test of the RF output system for the first industrial prototype tube. (2006)

Rzesnicki, T., Jin, J., Piosczyk, B., Thumm, M., Michel, G., Wagner, D.

2006 IEEE Internat.Vacuum Electronics Conf.held jointly with the 2006 IEEE Internat.Vacuum Electron Sources Conf. (IVEC/IVESC 2006), Monterey, Calif., April 25-27, 2006

Measurement of dielectric constant and loss tangent of epoxy resins using a waveguide approach. (2006)

Akhtar, M.J., Feher, L., Thumm, M.

IEEE Internat.Symp.on Antennas and Propagation (AP-S), USNC/URSI National Radio Science Meeting, American Electromagnetics Meeting (AMEREM), Albuqueque, N.M., July 9-14, 2006

EU megawatt-class 140 GHz CW gyrotron. (2006)

Thumm, M., Arnold, A., Dammertz, G., Gantenbein, G., Heidinger, R., Illy, S., ...

33rd IEEE Internat.Conf.on Plasma Science (ICOPS 2006), Traverse City, Mich., June 4-8, 2006

First tests of the new multi-frequency ECRH system at ASDEX upgrade. (2006)

Leuterer, F., Wagner, D., Manini, A., Monaco, F., Münich, M., Ryter, F., ...

33rd IEEE Internat.Conf.on Plasma Science (ICOPS 2006), Traverse City, Mich., June 4-8, 2006

Influence of polarized high power microwave fields in ceramic pore structures during sintering. (2006)

Link, G., Miksch, S., Takayama, S., Thumm, M.

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

2 MW, CW, 170 GHz coaxial-cavity gyrotron - experimental results with the pre-prototype and status. (2006)

Piosczyk, B., Dammertz, G., Dumbrajs, O., Gantenbein, G., Illy, S., Jin, J., ...

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

Status of the 1-MW, 140-GHz, CW series-gyrotrons for W7-X. (2006)

Dammertz, G., Alberti, S., Arnold, A., Erckmann, V., Gantenbein, G., Giguet, E., ...

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

Direct experimental demonstration of non-thermal microwave effects during sintering of ceramics. (2006)

Link, G., Miksch, S., Takayama, S., Thumm, M.

33rd IEEE Internat.Conf.on Plasma Science (ICOPS 2006), Traverse City, Mich., June 4-8, 2006

Industrial CFRP large part fabrication with the innovative HEPHAISTOS-CA2 microwave processing system. (2006)

Feher, L., Thumm, M.

33rd IEEE Internat.Conf.on Plasma Science (ICOPS 2006), Traverse City, Mich., June 4-8, 2006

Development of high-power window prototypes for ECH&CD launchers. (2006)

Heidinger, R., Danilov, I., Meier, A., Piosczyk, B., Späh, P., Thumm, M., ...

24th Symp.on Fusion Technology (SOFT 2006), Warszawa, PL, September 11-15, 2006

Gyrotron development in EU for W7-X and ITER. (2006)

Thumm, M.

Vortr.: Centre D'Etudes Nucleaires (CEA), Cadarache, F, 8.September 2006

3D simulation of quasi-optical output systems for MW-gyrotrons. (2006)

Prinz, H.O., Arnold, A., Flamm, J., Thumm, M.

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

First tests with the new ECRH system for ASDEX upgrade. (2006)

Wagner, D., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

7th Biennial ECH Transmission Line Workshop, Virginia Beach, Va., September 14-16, 2005

EU megawatt-class 140 GHz CW gyrotron for W7-X. (2006)

Thumm, M., Arnold, A., Dammertz, G., Gantenbein, G., Heidinger, R., Illy, S., ...

Nat.Symp.on Vacuum Electronic Devices and Applications (VEDA), Central Electronics Engineering Research Institute (CEERI), Pilani, IND, October 11-13, 2006

Conceptual design studies of an 84 GHz, 500 kW, CW gyrotron. (2006)

Kartikeyan, M.V., Singh, G., Borie, E., Piosczyk, B., Thumm, M.

International Journal of Infrared and Millimeter Waves, 27(2006) S.657-70

New frequency step tunable ECRH system for ASDEX upgrade. (2006)

Wagner, D., Leuterer, F., Manini, A., Monaco, F., Munich, M., Ryter, F., ...

International Journal of Infrared and Millimeter Waves, 27(2006) S.173-82

Filtro paso bajo para alta potencia en banda ku con espurios suprimidos. (2006)

Arnedo, I., Arregui, I., Gil, J., Ortiz, N., Lopetegi, T., Laso, M.A.G., ...

21.Simp.Nacional de la Union Cientifica Internacional de Radio URSI, Auditorio Principe Felipe, Oviedo, E, 12-15 Septiembre, 2006

EC power sources: European technological developments towards ITER. (2006)

Bonicelli, T., Alberti, S., Cirant, S., Dormicchi, O., Fasel, D., Hogge, J.P., ...

24th Symp.on Fusion Technology (SOFT 2006), Warszawa, PL, September 11-15, 2006

Transverse field collector sweep system for high power CW gyrotrons. (2006)

Schmid, M., Illy, S., Dammertz, G., Erckmann, V., Thumm, M.

24th Symp.on Fusion Technology (SOFT 2006), Warszawa, PL, September 11-15, 2006

Modeling of powerful free-electron masers with advanced Bragg structures. (2006)

Ginzburg, N.S., Malkin, A.M., Peskov, N.Y., Sergeev, A.S., Zaslavsky, V.Y., Rozental, R.M., ...

16th Internat.Conf.on High-Power Particle Beams, (Beams 2006), Oxford, GB, July 10-13, 2006

Enhanced layer charge modification in smectites by using microwaves. (2006)

Zemanova, M., Janek, M., Link, G., Nüesch, R., Thumm, M., Takayama, S.

Nanofair 2006 : New Ideas for Industry ; 5th Internat.Nanotechnology Symp., Karlsruhe, November 21-22, 2006

Worldwide status of gyro-devices. (2006)

Thumm, M.

Vortr.: Central Electronics Engineering Research Institute (CEERI), Pilani, IND, 17.Oktober 2006

Non-fusion applications of high-power micro- and millimeter waves. (2006)

Thumm, M.

Vortr.: Central Electronics Engineering Research Institute (CEERI), Pilani, IND, 18.Oktober 2006

Overmoded waveguide components I. (2006)

Thumm, M.

Vortr.: Central Electronics Engineering Research Institute (CEERI), Pilani, IND, 18.Oktober 2006

Overmoded waveguide components II. (2006)

Thumm, M.

Vortr.: Central Electronics Engineering Research Institute (CEERI), Pilani, IND, 19.Oktober 2006

Weltrekorde in der Gyrotronforschung. (2006)

Dammertz, G., Piosczyk, B., Thumm, M.

Nachrichten - Forschungszentrum Karlsruhe, 38(2006) S.22-24

Improvement of gyrotron efficiency by enhancement of beam pitch factor. (2006)

Louksha, O., Sominski, G., Samsonov, D., Lygin, V., Kuftin, A., Zapevalov, V., ...

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

FADIS: program for fast switching of high-power microwaves. (2006)

Kasparek, W., Petelin, M., Erckmann, V., Shchegolkov, D., Litvak, A., Bruschi, A., ...

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

Demonstration of selectivity of planar 2D Bragg structures. (2006)

Peskov, N.Yu., Ginzburg, N.S., Denisov, G.G., Kuzikov, S.V., Rozental, R.M., Sergeev, A.S., ...

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

EU developments of the ITER ECRH system. (2006)

Henderson, M.A., Alberti, S., Benin, P., Bonicelli, T., Chavan, R., Campbell, D., ...

24th Symp.on Fusion Technology (SOFT 2006), Warszawa, PL, September 11-15, 2006

140 GHz high-power gyrotron development for the stellarator W7-X (2005)

Dammertz, G., Alberti, S., Bariou, D., Brand, P., Braune, H., Erckmann, V., ...

Electron cyclotron resonance heating (ECRH) has proven to be one of the most attractive heating schemes for stellarators. Therefore, ECRH was chosen to be the main heating method for the Wendelstein...

Development of multimegawatt gyrotrons for fusion plasma heating and current drive (2005)

Dammertz, G., Alberti, S., Arnold, A., Bariou, D., Borie, E., Brand, P., ...

High-frequency gyrotrons; with high output power are mainly used for microwave heating and current drive in plasmas for thermonuclear fusion. The development of high-power gyrotrons; in continuous...

Development of a 2-MW, CW coaxial gyrotron at 170 GHz and test facility for ITER. (2005)

Hogge, J.P., Alberti, S., Arnold, A., Bariou, D., Benin, P., Bonicelli, T., ...

3rd IAEA Technical Meeting on ECRH Physics and Technology for ITER, Como, I, May 2-4, 2005

Development of advanced high-power millimeter wave gyrotrons at FZK. (2005)

Thumm, M.

Vortr.: National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Shanghai, China, 28.März 2005

The 10 MW, 140 GHz, continuous wave ECRH-system for the stellarator W7-X. (2005)

Thumm, M.

Vortr.: Institute of Plasma Physics, Hefei, China, 31.März 2005

Gyrotron development in EU for present fusion experiments and for ITER. (2005)

Thumm, M., Alberti, S., Arnold, A., Bariou, D., Dammertz, G., Darbos, C., ...

7th Internat.High Energy Density and High Power RF Workshop, Kalamata, GR, June 13-17, 2005

High power gyro-devices for plasma heating and other applications. (2005)

Thumm, M.

International Journal of Infrared and Millimeter Waves, 26(2005) S.483-503

Progress in the development of the 170 GHz coaxial cavity gyrotron for ITER. (2005)

Piosczyk, B., Alberti, S., Bariou, D., Benin, P., Bonicelli, T., Dammertz, G., ...

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Study of co-axial free electron maser based on two-dimensional distributed feedback. (2005)

Konoplev, I.V., Cross, A.W., Ginzburg, N.S., McGrane, P., He, W., Peskov, N.Yu., ...

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Gigahertz and nanotubes - perspectives for innovations with novel industrial microwave processing technology. (2005)

Feher, L., Thumm, M., Drechsler, K.

Nanomat 6.Szene : Workshop des Netzwerks Nanomaterialien des BMBF, Karlsruhe, 7.-8.April 2005

Development of multimegawatt gyrotrons for fusion plama devices. (2005)

Dammertz, G., Heidinger, R., Koppenburg, K., Piosczyk, B., Thumm, M.

US-JPN-EU RF Technology Exchange Workshop, Santa Cruz Calif., June 15-17, 2005

Status of 1 MW, 140 GHz, CW gyrotron for W7-X. (2005)

Thumm, M., Alberti, S., Arnold, A., Dammertz, G., Erckmann, V., Gantenbein, G., ...

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Slotted waveguides for 2.45 GHz industrial applicators. (2005)

Stanculovic, S., Feher, L., Thumm, M.

6th Internat.Vacuum Electronics Conf. (IVEC 2005), Noordwijk, NL, April 20-22, 2005

Can frequency step-tuning replace poloidal angle scanning for ECRH launchers? (2005)

Zohm, H., Thumm, M.

3rd IAEA Technical Meeting on ECRH Physics and Technology for ITER, Como, I, May 2-4, 2005

Electrodynamical properties of two-dimensional Bragg structures. (2005)

Peskov, N.Yu., Ginzburg, N.S., Denisov, G.G., Kuzikov, S.V., Sergeev, A.S., Arzhannikov, A.V., ...

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

The new ASDEX upgrade ECRH system (2005)

Wagner, D., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

Modification of the quasi-optical mode converter for a multi-frequency gyrotron at FZK. (2005)

Yang, X., Arnold, A., Dammertz, G., Heidinger, R., Koppenburg, K., Leuterer, F., ...

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

The effect of mm-wave sintering on microstructure evolution in zirconia ceramics. (2005)

Link, G., Takayama, S., Thumm, M., Wolff, M., Falk, G., Clasen, R.

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

New broadband real-time frequency measurement system at FZK. (2005)

Prinz, H.O., Arnold, A., Koppenburg, K., Thumm, M.

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

Transverse field collector sweep system for the W7-X gyrotrons. Engineering and first results. (2005)

Schmid, M., Dammertz, G., Illy, S., Thumm, M., Lievin, Ch.

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

Recent results of the step-tunable 105-140 GHz, 1MW gyrotron development at Forschungszentrum Karlsruhe. (2005)

Koppenburg, K., Arnold, A., Dammertz, G., Prinz, H.O., Thumm, M., Yang, X.

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Design studies of an 84 GHz, 500 kW, CW gyrotron. (2005)

Kartikeyan, M.V., Singh, G., Borie, E., Piosczyk, B., Thumm, M.

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Design and performance tests of a high power torus window for a remotely steered EC launcher. (2005)

Heidinger, R., Danilov, I., Meier, A., Spaeh, P., Piosczyk, B., Thumm, M., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

170 GHz, 2 MW coaxial cavity gyrotron. Design verification of the new RF output system. (2005)

Rzesnicki, T., Jin, J., Piosczyk, B., Thumm, M., Michel, G., Wagner, D.

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Progress towards optimization of phase-correcting mirrors for a multi-frequency gyrotron. (2005)

Yang, X., Arnold, A., Dammertz, G., Heidinger, R., Koppenburg, K., Piosczyk, B., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Experimental results on the 140 GHz, 1 MW, CW gyrotrons for the stellarator W7-X. (2005)

Dammertz, G., Alberti, S., Arnold, A., Bariou, D., Borie, E., Brand, P., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Investigation of an advanced quasi-optical mode converter for a coaxial gyrotron. (2005)

Jin, J.B., Thumm, M., Rzesnicki, T., Piosczyk, B., Dammertz, G.

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Investigations on mode converters for multi-frequency gyrotrons. (2005)

Prinz, H.O., Arnold, A., Dammertz, G., Koppenburg, K., Thumm, M.

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Current status of the new ECRH system for ASDEX upgrade. (2005)

Wagner, D., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

170 GHz, 2 MW, CW coaxial cavity gyrotron. Experimental verification of the design. (2005)

Piosczyk, B., Rzesnicki, T., Dammertz, G., Dumbrajs, O., Illy, S., Jin, J., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

First tests with the new ECRH system for ASDEX upgrade. (2005)

Wagner, D., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

7th Biennial ECH Transmission Line Workshop, Virginia Beach, Va., September 14-16, 2005

Evidence for non-thermal effects during microwave sintering of zirconia ceramics? (2005)

Link, G., Wolff, M., Takayama, S., Falk, G., Clasen, R., Thumm, M.

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Peculiarities of mode spectrum of planar 2D Bragg resonator (theory and experiment). (2005)

Peskov, N.Yu., Ginzburg, N.S., Denisov, G.G., Kuzikov, S.V., Sergeev, A.S., Arzhannikov, A.V., ...

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Densification behavior of zirconia ceramics sintered using high-frequency microwaves. (2005)

Wolff, M., Falk, G., Clasen, R., Link, G., Takayama, S., Thumm, M.

29th Internat.Cocoa Beach Conf.on Advanced Ceramics and Composites, Cocoa Beach, Fla., January 23-28, 2005

Experimental results on the 1st series-tube of the 140 GHz, 1 MW, CW gyrotron. (2005)

Dammertz, G., Alberti, S., Arnold, A., Brand, P., Braune, H., Borie, E., ...

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

Industrial composite curing with the 2.45 GHz HEPHAISTOS system. (2005)

Feher, L., Nuss, V., Seitz, T., Thumm, M.

4th World Congress on Microwave and Radio Frequency Applications, Austin, Tex., November 7-12, 2004

High temperature processing of powders using millimeter-waves. (2005)

Link, G., Hauser-Fuhlberg, M., Janek, M., Nüesch, R., Takayama, S., Thumm, M., ...

4th World Congress on Microwave and Radio Frequency Applications, Austin, Tex., November 7-12, 2004

Microwave sintering of metal powder compacts. (2005)

Takayama, S., Link, G., Sato, M., Thumm, M.

4th World Congress on Microwave and Radio Frequency Applications, Austin, Tex., November 7-12, 2004

A generalized approach for measuring the dielectric properties of lossy composite materials. (2005)

Akhtar, M.J., Feher, L., Thumm, M.

4th World Congress on Microwave and Radio Frequency Applications, Austin, Tex., November 7-12, 2004

Simulations and experiments on the effects of millimeter-wave heating of orthotropic and anisotropic CFRP composites. (2005)

Hunyar, C., Feher, L., Thumm, M.

4th World Congress on Microwave and Radio Frequency Applications, Austin, Tex., November 7-12, 2004

Development of a functional quasi-optical system for gyrotron application as a radiation source. (2005)

Ogawa, I., Idehara, T., Nagao, K., Ando, H., Wagner, D., Thumm, M.

The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics (IRMMW-THz 2005), Williamsburg, Va., September 19-23, 2005

The 140 GHz, 10 MW, CW ECRH system for W7-X: A training field for ITER. (2005)

Erckmann, V., Brand, P., Braune, H., Dammertz, G., Gantenbein, G., Kasparek, W., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Non-thermal effects of MM-wave sintering on the microstructure of zirconia ceramics. (2005)

Link, G., Takayama, S., Thumm, M., Wolff, M., Falk, G., Clasen, R.

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Experimental study of a FEM based on a 2D distributed feedback cavity. (2005)

Konoplev, I.V., McGrane, P., Ronald, K., Cross, A.W., He, W., Whyte, C.G., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

The densification behavior of zirconia ceramics during millimeter-wave sintering. (2005)

Link, G., Wolff, M., Takayama, S., Thumm, M., Falk, G., Clasen, R.

Jahrestagung der Deutschen Keramischen Gesellschaft in Verbindung mit dem Symp.Hochleistungskeramik, Selb, 10.-13.Oktober 2005

The densification behavior of zirconia ceramics during millimeter-wave sintering. (2005)

Link, G., Wolff, M., Takayama, S., Thumm, M., Falk, G., Clasen, R.

Ceramic Forum International: cfi/Berichte der Deutschen Keramischen Gesellschaft, 82(2005) Nr.13, S.312-16

Investigation of a mirror system for a high power coaxial-cavity gyrotron. (2005)

Jin, J.B., Piosczyk, B., Thumm, M., Rzesnicki, T., Zhang, S.C.

6th Internat.Vacuum Electronics Conf. (IVEC 2005), Noordwijk, NL, April 20-22, 2005

Co-axial 2D Bragg structures with corrugated outer and inner conductors. (2005)

McGrane, P., Konoplev, I.V., Thumm, M., Cross, A.W., He, W., Phelps, A.D.R., ...

6th Internat.Vacuum Electronics Conf. (IVEC 2005), Noordwijk, NL, April 20-22, 2005

Development of multi-megawatt gyrotrons at Forschungszentrum Karlsruhe. (2005)

Piosczyk, B., Dammertz, G., Heidinger, R., Koppenburg, K., Thumm, M.

21st IEEE/NPSS Symp.on Fusion Engineering (SOFE 05), Knoxville, Tenn., September 26-29, 2005

On the use of step-tuneable gyrotrons in ITER. (2005)

Zohm, H., Thumm, M.

Journal of Physics: Conference Series, 25(2005) S.274-82