S. Kern

Publication List Details

Period

1994 - 2009

Number

135

Co-Authors

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

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

ECRH system for ITER. (2009)

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

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

Improving gyrotron interaction calculations. (2009)

Kern, S., Avramides, K.A.

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

On the effect of RF-space charge on the beam-field interaction in gyrotrons. (2009)

Kern, S., Borie, E.

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

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

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

On the effect of RF-space charge on the beam-field interaction in gyrotrons. (2009)

Borie, E., Kern, S.

Journal of Infrared, Millimeter and Terahertz Waves, 30(2009) S.915-23

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

Design of a frequency-tunable gyrotron for DNP-enhanced NMR spectroscopy. (2009)

Alberti, S., Ansermet, J.P., Avramides, K.A., Fasel, D., Hogge, J.P., Kern, S., ...

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

Gun design criteria for the refurbishment of the first prototype of the EU 170GHz/2MW/CW coaxial cavity gyrotron for ITER. (2009)

Pagonakis, I.G., Hogge, J.P., Goodman, T., Alberti, S., Piosczyk, B., Illy, S., ...

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

Gyrotrons. (2009)

Kern, S.

3rd Internat.Summer School on Fusion Technologies, Karlsruhe, August 31 - September 11, 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

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

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,...

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

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

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

Electron-beam modeling in gyrotron interaction simulations. (2008)

Avramides, K.A., Vomvoridis, J.L., Kern, S., Pagonakis, I.G.

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

Gyrotron mode competition calculations: investigations on the choice of numerical parameters. (2008)

Kern, S., Avramides, K.A., Beringer, M.H., Dumbrajs, O., Liu, Y.H.

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

After cavity interaction in gyrotrons: on the influence of different models for non-uniform magnetic fields. (2008)

Kern, S., Borie, E.

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

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

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

Studies on a 170 GHz, 1.0-1.3 MW, CW conventional cavity gyrotron. (2008)

Kartikeyan, M.V., Borie, E., Gantenbein, G., Kern, S., Piosczyk, B., Thumm, M.K.

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

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

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

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

Mode selection for a 170 GHz, 1 MW gyrotron. (2008)

Avramides, K.A., Dumbrajs, O., Kern, S., Pagonakis, I.Gr., Vomvoridis, J.L.

7th School of Fusion Physics and Technology, Volos, GR, April 14-19, 2008

Gyrotrons. (2008)

Kern, S.

2nd Internat.Summer School on Fusion Technologies, Karlsruhe, September 1-12, 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 : Proc.of the 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

Nicmos/hst Post-Perihelion Images Of Comet Hale--Bopp (2007)

In Outburst Mccarthy, D. Mccarthy, S. Stolovy, S. Kern, G. Schneider, A. Ferro, ...

Near-infrared images of comet Hale--Bopp (C/1995 O1) were obtained from NICMOS /HST on UT August 27--28, 1997, when the comet emerged from the 50 degree solar elongation limit at 2.99 AU from Earth....

Crystal Field Effects in CeIrIn5 (2004)

Christianson, A. D., Lawrence, J. M., Riseborough, P. S., Moreno, N. O., Pagliuso, P. G., Bauer, E. D., ...

In this work, we study crystalline electric field effects in the heavy fermion superconductor CeIrIn5. We observe two regions of broad magnetic response in the inelastic neutron scattering spectra at...

Spin excitations in 3D molecular magnets probed by neutron scattering (2002)

Bordallo, H.N., Chapon, L.C., Cook, J.C., Copley, J.R.D., Goremychkin, E., Kern, S., ...

The emerging field of molecular magnetism constitutes a new branch of materials science that deals with the magnetic properties of molecules, or assemblies of molecules, that contain magnetic...

Quantitative analysis of UH3 in U metal and UO2 matrices by neutron vibrational spectroscopy (2002)

Glagolenko, I.Y., Carney, K.P., Kern, S., Goremychkin, E.A., Udovic, T.J., Copley, J.R.D., ...

The ignition of UH3 has resulted in uranium fires. Neutron spectroscopy is proposed to quantify UH3 in fuel at risk. Spectra of UH3 in UO2 and U metal were obtained using two instruments at Argonne...

Microwave imaging of the brightness temperature distribution of extended areas in the near and far field using two-dimensional aperture synthesis with high spatial resolution (1998)

Peichl, M., Süß, H., Süß, M., Kern, S.

The paper treats the basics of the aperture synthesis imaging principle for the near- and far-field case for applications in passive mircowave remote sensing. The geometric and radiometric resolution...

Development of high power gyrotrons at FZK Karlsruhe. (1998)

Piosczyk, B., Borie, E., Braz, O., Dammertz, G., Feher, L., Iatrou, C.T., ...

2nd Indo-German Workshop on Microelectronics, New Delhi, IND, December 7-8, 1995

1.2 MW coaxial cavity gyrotrons in the frequency range 115-170 GHZ. (1997)

Thumm, M., Braz, O., Dammertz, G., Iatrou, C.T., Kern, S., Kuntze, M., ...

Mikrowellen und Optronik : 9. Kongressmesse fuer Hochfrequenztechnik, Funkkommunikation und elektromagnetische Verträglichkeit, Sindelfingen, 22.-24.April 1997 Proc.

Coaxial cavities with corrugated inner conductor for gyrotrons. (1996)

Iatrou, C.T., Kern, S., Pavelyev, A.B.

IEEE Transactions on Microwave Theory and Techniques, 44(1996) S.56-64

Development of ECRH power sources. (1996)

Borie, E., Braz, O., Dammertz, G., Iatrou, C.T., Kern, S., Kuntze, M., ...

Jahrestagung Kerntechnik 96. Mannheim, 21.-23.Mai 1996

Low power excitation of gyrotron-type modes. Mode exciters. (1996)

Pereyaslavets, M., Braz, O., Kern, S., Losert, M., Möbius, A., Thumm, M.

13th Annual Conf.of the Japan Society of Plasma Science and Nuclear Fusion Research, Kyoto, J, March 21-23, 1996

Experimental results of 1.5 MW coaxial cavity gyrotrons in the frequency range 115-170 GHz. (1996)

Thumm, M., Braz, O., Dammertz, G., Iatrou, C.T., Kern, S., Kuntze, M., ...

3rd Internat.Workshop on Strong Microwaves in Plasmas, Moskva/St.Petersburg, Russia, August 7-14, 1996

Step-tunable 118-162 GHz, 1 MW gyrotron with quasi-optical mode converter and depressed collector. (1996)

Kuntze, M., Borie, E., Braz, O., Dammertz, G., Iatrou, C.T., Illy, S., ...

8th Joint Russian-German Meeting on ECRH and Gyrotrons, Nizhny-Novgorod/Moskva, Russia, June 10-15, 1996

Development of coaxial gyrotrons at FZK. Status and experimental results. (1996)

Baumgärtner, H., Budig, H., Braz, O., Dammertz, G., Grundel, P., Iatrou, C.T., ...

8th Joint Russian-German Meeting on ECRH and Gyrotrons, Nizhny-Novgorod/Moskva, Russia, June 10-15, 1996

Hierarchisches Verfahren zur Synthese analoger Schaltungen (1995)

Wittmann, R., Schardein, W., Hosticka, B.J., Vahrmann, R., Kern, S.

Dieser Beitrag stellt eine an die Vorgehensweise eines Schaltungsdesigners angelehnte neue Strategie zur Synthese analoger Schaltungen vor. Eine analoge Schaltung wird beginnend mit den gewünschten...

Feasibility Study of the Eu Home Team on a 170ghz 1mw Cw Gyrotron for Ech on Iter (1995)

Iatrou, C. T., Whaley, D. R., Kern, S., Thumm, M., Tran, M. Q., Mobius, A., ...

The gyrotron system for ECH and burn control on ITER requires at least 50MW of RF power at frequencies near 170GHz operating in CW. To meet these requirements, high efficiency gyrotron tubes with...

Design and experimental test of megawatt gyrotrons at 140 GHz. (1995)

Thumm, M., Borie, E., Dammertz, G., Grüber, C., Höchtl, O., Iatrou, C.T., ...

Mikrowellen und Optronik : 8. Kongressmesse fuer Hochfrequenztechnik, Sindelfingen, 30.Mai - 1.Juni 1995 Proc.

Operation and design of megawatt gyrotrons at 140 GHz at the Forschungszentrum Karlsruhe. (1995)

Dammertz, G., Borie, E., Höchtl, O., Iatrou, C.T., Kern, S., Kuntze, M., ...

Vakuumelektronik und Displays : Vorträge der ITG-Fachtagung, Garmisch-Partenkirchen, 2.-3.Mai 1995

Development of advanced high-power 140 GHz gyrotrons for ECW applications. (1995)

Kuntze, M., Braz, O., Dammertz, G., Iatrou, C.T., Kern, S., Möbius, A., ...

Intense Microwave Pulses III : SPIES's Internat.Symp.on Optical Science, Engineering and Instrumentation, San Diego, Calif., July 9-14, 1995

Design of a 165 GHz - 1.3 MW TE§3§1§,§1§7 mode coaxial cavity gyrotron. (1995)

Iatrou, C.T., Kern, S., Piosczyk, B., Thumm, M., Wien, A.

ECRH and Gyrotrons : Proc.of the 7th Russian-German Meeting, Karlsruhe, June 22-23, Stuttgart, June 24, Garching, June 26-27, 1995

Development of a 1.5 MW coaxial gyrotron at 165 GHz. (1995)

Iatrou, C.T., Braz, O., Dammertz, G., Kern, S., Piosczyk, B., Thumm, M., ...

Invited and Contributed Papers pres.at the 20th Internat.Conf.on Infrared and Millimeter Waves, Lake Buena Vista, Orlando, Fla., December 11-14, 1995

Development of a 1.5 MW, 140 GHz coaxial gyrotron. (1995)

Piosczyk, B., Braz, O., Dammertz, G., Iatrou, C.T., Kern, S., Möbius, A., ...

Invited and Contributed Papers pres.at the 20th Internat.Conf.on Infrared and Millimeter Waves, Lake Buena Vista, Orlando, Fla., December 11-14, 1995

Investigations on mode stability in coaxial gyrotrons. (1995)

Kern, S., Iatrou, C.T., Thumm, M.

Invited and Contributed Papers pres.at the 20th Internat.Conf.on Infrared and Millimeter Waves, Lake Buena Vista, Orlando, Fla., December 11-14, 1995

Improvements of mode converters for low power excitation of gyrotron-type modes. (1995)

Braz, O., Kern, S., Losert, M., Möbius, A., Pereyaslavets, M., Thumm, M.

Invited and Contributed Papers pres.at the 20th Internat.Conf.on Infrared and Millimeter Waves, Lake Buena Vista, Orlando, Fla., December 11-14, 1995

Principles and potential of coaxial gyrotrons. (1995)

Kern, S.

Assessment of R and D for EC Wave Systems, Garching, November 23, 1995

Application-independent hierarchical synthesis methodology for analogue circuits (1994)

Wittmann, R., Schardein, W., Hosticka, B.J., Schanz, M., Vahrmann, R., Kern, S.

This paper presents a new strategy for synthesis of analogue circuits in expert systems with an expert oriented approach to solving analogue design problems. Analogue circuits are hierarchically...

Design considerations for a 1.5 MW, 140 GHz coaxial cavity gyrotron with dual-beam output. (1994)

Dammertz, G., Höchtl, O., Iatrou, C., Kern, S., Möbius, A., Nickel, H.U., ...

Proc.of the 6th Russian-German Meeting on ECRH and Gyrotrons, Moskva, Russia, June 13-14, 1994, Nizhny Novgorod, Russia, June 15-18, 1994

Simultaneous assessment of loss of heterozygosity at multiple microsatellite loci using semi-automated fluorescence-based detection: subregional mapping of chromosome 4 in cervical carcinoma.

Hampton, G M, Larson, A A, Baergen, R N, Sommers, R L, Kern, S, Cavenee, W K

Detection of loss of heterozygosity (LOH) by comparison of normal and tumor genotypes using PCR-based microsatellite loci provides considerable advantages over traditional Southern blotting-based...

Multimode calculation of frequency tunable gyrotrons for dynamic nuclear polarization applications

Kern, S., Thumm, M., Alberti, S.

Multimode calculations of a low-power (above 10W) high-frequency (200 GHz -300 GHz) gyrotron for NMR (nuclear magnetic resonance) spectroscopy applications have been performed. Six transverse modes...