H. Krüger

Publication List Details

Period

1958 - 2009

Number

139

Co-Authors

Triple F—a comet nucleus sample return mission (2009)

Küppers, Michael, Keller, H. U., Kührt, E., A’Hearn, M. F., Altwegg, K., Bertrand, R., ...

The Triple F (Fresh From the Fridge) mission, a Comet Nucleus Sample Return, has been proposed to ESA’s Cosmic Vision program. A sample return from a comet enables us to reach the ultimate goal of...

Synthesis and X-ray crystal structure of a bis-cyclometalated phosphorescent red-emitting iridium(III) complex (2009)

Graf, M., Thesen, M., Krüger, H., Mayer, P., Sünkel, K.

The synthesis of the bis-cyclometalated complex [{Ir(mu-CI)(ccpz)(2)}(2)] (1, cppz = 1-chloro-4-(4-chlorophenyl)-phthalazine) from hydrated iridium(III) chloride and the ligand ccpz in refluxing...

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

Low-power concepts for autonomous maritime systems (2008)

R. Jaskulke, H. Krüger, B. Himmel

Autonomous working systems are used in maritime research in different fields of application already for decades. Often it is not possible to keep a permanent connection with a cable. This stems from...

Triple F - A Comet Nucleus Sample Return Mission (2008)

Küppers, Michael, Keller, Horst Uwe, Kührt, Ekkehard, A'Hearn, Michael, Altwegg, Kathrin, Bertrand, R., ...

The Triple F (Fresh From the Fridge) mission, a Comet Nucleus Sample Return, has been proposed to ESA’s Cosmic Vision program. A sample return from a comet enables us to reach the ultimate goal of...

CIX - A Detector for Spectral Enhanced X-ray Imaging by Simultaneous Counting and Integrating (2008)

Krüger, H., Fink, J., Kraft, E., Wermes, N., Fischer, P., Peric, I., ...

A hybrid pixel detector based on the concept of simultaneous charge integration and photon counting will be presented. The second generation of a counting and integrating X-ray prototype CMOS chip...

Software Traceability using Latent Semantic Analysis and Relevance Feedback (2008)

Kritzinger, PS, Krüger, H

Software traceability (ST), in its broadest sense, is the process of tracking changes in the document corpus which are created throughout the software development life-cycle. However, traditional ST...

Machbarkeitsstudie zur Entwicklung lärmarmer Fleischverarbeitungsmaschinen (2008)

Bös, J., Friedmann, A., Thomaier, M., Krüger, H.

The German Fleischerei-Berufsgenossenschaft initiated the research project "ELF - Entwicklung lärmarmer Fleischverarbeitungsmaschinen" ("Development of noise-reduced meat-processing machinery"),...

Towards a phosphorescent cyclometalated iridium complex containing a modified polymerizable acetylacetonato ligand (2008)

Graf, M, Gancheva, V., Thesen, M., Krüger, H., Mayer, P., Sünkel, K.

A convenient synthesis of the complex [Ir(ppy)(2)(phC6-acac)] (1, ppy = 2-phenylpyridyl, phC6-acac = 11-(2,5-dibromo-4-hexyloxyphenoxy)-undecane-2,4-dione) from [{Ir(mu-Cl)(ppy)(2)}(2)], phC6-acacH...

Hybrid supramolecular naphthalene diimide-thiophene structures and their application in polymer electronics (2007)

Krüger, H., Janietz, S., Sainova, D., Dobreva, D., Koch, N., Vollmer, A.

Solution-processable molecules based on 1,4,5,8-naphthalenetetracarboxylic diimide (NTCDI, 1), which constitutes the central unit, have been synthesized with thiophene substituents of varying chain...

DEPFET, a monolithic active pixel sensor for the ILC (2007)

Velthuis, J., Kohrs, R., Mathes, M., Raspereza, A., Reuen, L., Andriecek, L., ...

In a DEPleted Field Effect Transistor (DEPFET) sensor a MOSFET is integrated on a sidewards depleted p-on-n silicon detector, thereby combining the advantages of a fully depleted silicon sensor with...

Progress towards a large area, thin DEPFET detector module (2007)

Fischer, P., Andricek, L., Herrmann, S., Karagounis, M., Kohrs, R., Kreidl, C., ...

Large arrays of depleted field effect transistor (DEPFET) detector elements are one possible technology for the vertex detector of the planned International Linear Collider. The main challenges are...

Polymere Licht-emittierende Diode und Verfahren zu deren Herstellung (2007)

Krüger, H., Thesen, M., Janietz, S., Wedel, A.

DE 102007044872 A1 UPAB: 20090428 NOVELTY - Preparation of a polymer light emitting diode, comprises: (a) contacting at least a first solution containing at least a hole transport material and at...

A DEPFET pixel matrix system for the ILC vertex detector (2006)

Trimpl, M., Andricek, L., Fischer, P., Kohrs, R., Krüger, H., Lutz, G., ...

The DEPFET detector offers radiation detection and amplification jointly by embedding a field effect transistor into fully depleted silicon. Due to the excellent noise performance (ENC ¼ 2:2 e for...

Galileo dust data from the jovian system: 1997–1999 (2006)

Krüger, H., Bindschadler, D., Dermott, S. F., Graps, A. L., Grün, E., Gustafson, B. A., ...

The dust detector system on board the Galileo spacecraft recorded dust impacts in circumjovian space during the craft's orbital mission about Jupiter. This is the eighth in a series of papers...

Ulysses jovian latitude scan of high-velocity dust streams originating from the jovian system (2006)

Krüger, H., Graps, A. L., Flandes, A., Forsythe, R. J., Hamilton, D. P., Horanyi, M., ...

In February 2004 the Ulysses spacecraft had its second flyby at Jupiter at 0.8 AU distance from the planet. Twenty-eight dust streams emanating from the jovian system were measured between November...

Five years of Ulysses dust data : 2000 to 2004 (2006)

Krüger, H., Altobelli, N., Anweiler, B., Dermott, S. F., Dikarev, V., Fechtig, H., ...

The Ulysses spacecraft has been orbiting the Sun on a highly inclined ellipse (i=79, perihelion distance 1.3 AU, aphelion distance 5.4 AU) since it encountered Jupiter in 1992. Between January 2000...

In-situ dust measurements at Saturn (2006)

Srama, R., Kempf, Sascha, Moragas-Klostermeyer, G., Helfert, S., Ahrens, T. J., Altobelli, N., ...

In July 2004 the Cassini–Huygens mission reached the Saturnian system and started its orbital tour. A total of 75 orbits will be carried out during the primary mission until August 2008. In these...

Clear-performance of linear DEPFET devices (2006)

Sandow, C., Andricek, L., Fischer, P., Kohrs, R., Krüger, H., Lutz, G., ...

The proposal of a vertex detector for the International Linear Collider (ILC) using DEPleted Field Effect Transistor (DEPFET) detectors [A DEPFET based vertex detector for the detector at TESLA...

Study of noise and spectroscopic performance of DEPMOSFET matrix prototypes for XEUS (2006)

Treis, J., Fischer, P., Hälker, O., Harter, M., Herrmann, S., Kohrs, R., ...

The current generation of DEPMOSFET-based Active Pixel Sensor (APS) matrix devices has been developed to cope with the challenging requirements of the XEUS Wide Field Imager. The devices turned out...

Performance of a DEPFET pixel system for particle detection (2006)

Trimpl, M., Andricek, L., Fischer, P., Kohrs, R., Krüger, H., Lutz, L., ...

Driven by the requirements of the ILC (International Linear Collider) vertex detector, a prototype system based on DEPFET pixels has been developed. The system utilizes a 64 _ 128 pixel matrix with...

Spectroscopic Performance of the DEPMOS Detector/Amplifier Device with Respect to Different Filtering Techniques and Operation Conditions (2006)

Porro, M., Ferrari, G., Fischer, P., Hälker, O., Harter, M., Herrmann, S., ...

A DePMOS structure provides detection and amplification jointly, and it is free of interconnection stray capacitance. To fully exploit the intrinsic low noise of the device an electrical model has...

Electromagnetically Interacting Dust Streams During Ulysses' Second Jupiter Encounter (2005)

Krüger, H., Forsyth, R. J., Graps, A. L., Grün, E.

The Jupiter system is a source of collimated burst-like stream of electrically charged 10-nm dust particles. In 2004 the Ulysses spacecraft had its second flyby at Jupiter and from late 2002 to early...

Decreased values of cosmic dust number density estimates in the Solar System (2005)

Willis, M. J., Burchell, M. J., Ahrens, T. J., Krüger, H., Grün, Eberhard

Experiments to investigate the effect of impacts on side-walls of dust detectors such as the present NASA/ESA Galileo/Ulysses instrument are reported. Side walls constitute 27% of the internal area...

DESIGN AND TECHNOLOGY OF DEPFET ACTIVE PIXEL SENSORS FOR FUTURE e+e- LINEAR COLLIDER EXPERIMENTS (2005)

Lutz, G., Andricek, L., Fischer, P., Heinzinger, K., Kohrs, R., Krüger, H., ...

Based on the DEPFET detector-amplifier structure, a pixel detector is under development for use in the vertex detector of a future linear collider. Sensor, module and electronics are optimized for...

Noise and spectroscopic performance of DEPMOSFET matrix devices for XEUS (2005)

Treis, J., Fischer, P., Hälker, O., Herrmann, S., Kohrs, R., Krüger, H., ...

DEPMOSFET based Active Pixel Sensor (APS) matrix devices, originally developed to cope with the challenging requirements of the XEUS Wide Field Imager, have proven to be a promising new imager...

DEPMOSFET Active Pixel Sensor Prototypes for the XEUS Wide Field Imager (2005)

Treis, J., Fischer, P., Hälker, O., Harter, M., Herrmann, S., Kohrs, R., ...

Active pixel sensors (APS) based on the depleted P-channel MOSFET (DEPMOSFET) recently produced at the MPI semiconductor laboratory are a promising new type of sensor to cope with the advanced...

The Cassini Cosmic Dust Analyzer (2004)

Srama, R., Ahrens, T. J., Altobelli, N., Auer, S., Bradley, J. G., Burton, M., ...

The Cassini-Huygens Cosmic Dust Analyzer (CDA) is intended to provide direct observations of dust grains with masses between 10-19 and 10-9 kg in interplanetary space and in the jovian and saturnian...

First results of DEPFET-based active-pixel-sensor prototypes for the XEUS wide-field imager (2004)

Treis, J., Fischer, P., Hälker, O., Harter, M., Herrmann, S., Kohrs, R., ...

The concept of an Active Pixel Sensor (APS) based on the integrated detector/amplifier structure DEPFET (DEpleted P-channel Field Effect Transistor) has been developed to cope with the challenging...

New organo-soluble conjugated polyquinolines (2003)

Krüger, H., Janietz, S., Sainova, D., Wedel, A.

Polyquinolines are under discussion as n-type materials for organic field effect transistors, organic light-emitting diodes and organic solar cells together with other N-heterocycle-containing...

Polyurethanes with covalent attached fluorescent dyes as deep red emitting materials (2003)

Janietz, S., Krüger, H., Wedel, A., Fischer, B.

A unusual way is presented to obtain a new class of deep red emitting polymers. Polyurethanes with covalently attached fluorescent dyes were developed. The DCM-dye seems to be a favorable candidate...

Polymers with covalently attached dyes - materials for OLEDs and photovoltaics? (2003)

Krüger, H., Janietz, S., Wedel, A., Fischer, B.

An unusual way is presented to obtain a new class of deep red emitting polyurethanes with covalently attached fluorescent dyes. The DCM-dye seems to be a favourable candidate but we had to introduce...

Dust on the outskirts of the jovian system (2002)

Krivov,A. V., Wardinski,I., Spahn,F., Krüger,H., Grün,E.

The outer region of the jovian system between similar to50 and 300 jovian radii from the planet is found to be the host of a previously unknown dust population. We used the data from the dust...

A tenuous dust ring of Jupiter formed by escaping ejecta from the Galilean satellites (2002)

Krivov,A. V., Krüger,H., Grün,E., Thiessenhusen,K. U., Hamilton,D. P.

[1] This paper focuses on the dust environment between the orbits of the Galilean moons of Jupiter. Recent discovery of dust clouds around the Galilean satellites formed by impact ejecta from...

A dust cloud around Pluto and Charon (2002)

Thiessenhusen,K. U., Krivov,A. V., Krüger,H., Grün,E.

We suggest that Pluto and Charon are immersed in a tenuous dust cloud. The cloud consists of ejecta from Pluto and-especially- Charon, released from their surfaces by impacts of micrometeoroids...

A dust cloud around Pluto and Charon (2002)

Thiessenhusen, K. U., Krivov, A. V., Krüger, H., Grün, E.

We suggest that Pluto and Charon are immersed in a tenuous dust cloud. The cloud consists of ejecta from Pluto and-especially- Charon, released from their surfaces by impacts of micrometeoroids...

A tenuous dust ring of Jupiter formed by escaping ejecta from the Galilean satellites (2002)

Krivov, A. V., Krüger, H., Grün, E., Thiessenhusen, K. U., Hamilton, D. P.

[1] This paper focuses on the dust environment between the orbits of the Galilean moons of Jupiter. Recent discovery of dust clouds around the Galilean satellites formed by impact ejecta from...

Dust on the outskirts of the jovian system (2002)

Krivov, A. V., Wardinski, I., Spahn, F., Krüger, H., Grün, E.

The outer region of the jovian system between similar to50 and 300 jovian radii from the planet is found to be the host of a previously unknown dust population. We used the data from the dust...

Relaxation behaviour of thermoplastic polyurethanes with covalently attached nitroaniline dipoles (2002)

Frübing, P., Krüger, H., Goering, H., Gerhard-Multhaupt, R.

Thermoplastic polyurethanes with covalently attached nitroaniline chromophores exhibit a strong high-temperature relaxation associated with a glass transition rather than the typical...

Four years of Ulysses dust data: 1996-1999 (2001)

Krüger, H., Grün, E., Landgraf, M., Dermott, S., Fechtig, H., Gustafson, B. A., ...

The Ulysses spacecraft is orbiting the Sun on a highly inclined ellipse (i=79°, perihelion distance 1.3 AU, aphelion distance 5.4 AU). Between January 1996 and December 1999 the spacecraft was...

One year of Galileo dust data from the Jovian system: 1996 (2001)

Krüger, H., Grün, E., Graps, A., Bindschadler, D., Dermott, S., Fechtig, H., ...

The dust detector system onboard Galileo records dust impacts in circumjovian space since the spacecraft has been injected into a bound orbit about Jupiter in December 1995. This is the sixth in a...

Four years of Ulysses dust data: 1996 to 1999 (2001)

Krüger, H., Grün, E., Landgraf, M., Dermott, S., Fechtig, H., Gustafson, B. A., ...

The Ulysses spacecraft is orbiting the Sun on a highly inclined ellipse ($ i = 79^{\circ}$, perihelion distance 1.3 AU, aphelion distance 5.4 AU). Between January 1996 and December 1999 the...

Four years of Ulysses dust data: 1996-1999 (2001)

Krüger, H., Grün, E., Landgraf, M., Dermott, S., Fechtig, H., Gustafson, B. A., ...

The Ulysses spacecraft is orbiting the Sun on a highly inclined ellipse(/i=79°, perihelion distance 1.3 AU, aphelion distance 5.4 AU).Between January /1996 and December /1999 the spacecraft was...

One year of Galileo dust data from the Jovian system: 1996 (2001)

Krüger, H., Grün, E., Graps, A., Bindschadler, D., Dermott, S., Fechtig, H., ...

The dust detector system onboard Galileo has recoding dust impacts incircumjovian space since the spacecraft was injected into a bound orbitabout Jupiter in December 1995. This is the sixth in a...

One year of Galileo dust data from the Jovian system: 1996 (2001)

Krüger, H., Grün, E., Graps, A., Bindschadler, D., Dermott, S., Fechtig, H., ...

The dust detector system onboard Galileo has recoding dust impacts in circumjovian space since the spacecraft was injected into a bound orbit about Jupiter in December 1995. This is the sixth in a...

Aspects of the Mass Distribution of Interstellar Dust Grains in the Solar System from In-Situ Measurements (1999)

Landgraf, M., Baggaley, W. J., Grün, E., Krüger, H., Linkert, G.

The in-situ detection of interstellar dust grains in the Solar System by the dust instruments on-board the Ulysses and Galileo spacecraft as well as the recent measurements of hyperbolic radar...

Analysis of the sensor characteristics of the Galileo dust detector with collimated Jovian dust stream particles (1999)

Krüger, H., Grün, E., Heck, A., Lammers, S.

The Dust Detector System onboard Galileo records dust impacts in the Jupiter system. Impact events are classified into four quality classes. Class 3 -- our highest quality class -- has always been...

Isophot Observations of Comet Hale-Bopp: Initial Data Reduction (1998)

Grün, E., Peschke, S. B., Stickel, M., Müller, T., Krüger, H., Böhnhardt, H., ...

Comet Hale-Bopp was observed five times with ISOPHOT, the photometer on board the Infrared Space Observatory (ISO). Each time broadband photometry was performed using 4 different detectors, 5...

Observations of electromagnetically coupled dust in the Jovian magnetosphere (1998)

Krüger, H., Grün, E., Graps, A., Heck, A., Lammers, S.

We report on dust measurements obtained during the seventh orbit of the Galileo spacecraft about Jupiter. %which had a close flyby at Ganymede. The most prominent features observed are highly time...

Three years of Galileo dust data: II. 1993 to 1995 (1998)

Krüger, H., Grün, E., Hamilton, D. P., Baguhl, M., Dermott, S., Fechtig, H., ...

Between Jan 1993 and Dec 1995 the Galileo spacecraft traversed interplanetary space between Earth and Jupiter and arrived at Jupiter on 7 Dec 1995. The dust instrument onboard was operating during...

Three years of Ulysses dust data: 1993 to 1995 (1998)

Krüger, H., Grün, E., Landgraf, M., Baguhl, M., Dermott, S., Fechtig, H., ...

The Ulysses spacecraft is orbiting the Sun on a highly inclined ellipse ($i = 79^{\circ}$). After its Jupiter flyby in 1992 at a heliocentric distance of 5.4 AU, the spacecraft reapproached the inner...

Expériences de double résonance dans l'état excité 4 2P3/2 de l'atome 23Na (1958)

Krüger, H., Scheffler, K.

A l'aide de la méthode de double résonance, nous avons mesuré dans l'état excité 4 2P3/2 de l'atome 23Na les fréquences des transitions hyperfines. Des trois transitions prévues les deux plus...

Expériences de double résonance dans l'état excité 4 2P3/2 de l'atome 23Na (1958)

Krüger, H., Scheffler, K.

A l'aide de la méthode de double résonance, nous avons mesuré dans l'état excité 4 2P3/2 de l'atome 23Na les fréquences des transitions hyperfines. Des trois transitions prévues les deux plus...

Expériences de double résonance dans l'état excité 4 2P3/2 de l'atome 23Na (1958)

Krüger, H., Scheffler, K.

A l'aide de la méthode de double résonance, nous avons mesuré dans l'état excité 4 2P3/2 de l'atome 23Na les fréquences des transitions hyperfines. Des trois transitions prévues les deux plus...

The MOS-Type DEPFET Pixel Sensor for the ILC Environment

Andricek, L., Fischer, P., Heinzinger, K., Herrmann, S., Herz, D., Karagounis, M., ...

A new generation of MOS-type DEPFET active pixel sensors in double metal/double poly technology with ~25μm pixel size has been developed to meet the requirements of the vertex detector at the...

Pulmonary circulation of the llama at high and low altitudes.

Harris, P, Heath, D, Smith, P, Williams, D R, Ramirez, A, Krüger, H, ...

We have studied the pulmonary circulation of three closely related animals, the llama, alpaca, and guanaco. The mean pulmonary arterial pressure of 12 llamas and one alpaca indigenous to high...

The heart and pulmonary vasculature of the llama (Lama glama)

Heath, D., Smith, P., Williams, D., Harris, P., Arias-Stella, J., Krüger, H.

Heath, D., Smith, P., Williams, D., Harris, P., Arias-Stella, J., and Krüger, H. (1974).Thorax, 29, 463-471. The heart and pulmonary vasculature of the llama (Lama glama). A qualitative and...