Publications

Investigation of disordered semiconductor quantum-wells by coherent excitation spectroscopy

2000 - A. Euteneuer, E. Finger, W. Stolz, T. Meier, P. Thomas, S.W. Koch, Martin R. Hofmann , W.W. Rühle

phys. stat. sol. (a) 178, 183

Normal-mode linewidths in a semiconductor microcavity with various cavity qualities

2000 - Martin R. Hofmann , D. Karaiskaj, C. Ellmers, T. Maxisch, F. Jahnke, H.-J. Kolbe, G. Weiser, R. Rettig, S. Leu, W. Stolz, S.W. Koch, W.W. Rühle

phys. stat. sol.(a) 178, 179

Squaring Architecture for GF(2^m) and its Applications in Cryptographic Systems

2000 - G. Orlando, Chris­tof Paar

Electronic Letters, vol. 36, no. 13, pp. 1116-1117, June, 2000. [pdf] [gz]

New portable time-resolved photometer for monitoring the calcium dynamics of osteoblasts under mechanical and zero-gravity stimulation

2000 - J. Struckmeier, J. Tenbosch, Erk Mennenga-Klopp , M. Born, Martin R. Hofmann , D.W. Jones

Proc. SPIE 3921, 114

(GaIn)(NAs)/GaAs vertical-cavity surface-emitting laser with ultrabroad temperature operation range

2000 - A. Wagner, C. Ellmers, F. Höhnsdorf, J. Koch, C. Agert, S. Leu, Martin R. Hofmann , W. Stolz, W.W. Rühle

Appl. Phys. Lett. 76, 271

Axial strain imaging using a local estimation of the scaling factor from rf ultrasound signals

2000 - Elisabeth Brusseau, Christian Perrey, Philippe Delachartre, Michael Vogt, Didier Vray, Helmut Ermert

Ultrasonic Imaging, Vol. 22, No. 2, April 2000, pp. 95-107

Spectral filtering of femtosecond laser pulses by interference filters

2000 - R. Szipöcs, A. Köházi-Kis, P. Apai, E. Finger, A. Euteneuer, Martin R. Hofmann

Appl. Phys. B 70, 63

Multi-color, mode-locked Ti:sapphire laser with zero pulse jitter

2000 - R. Szipöcs, A. Euteneuer, E. Finger, Martin R. Hofmann

J. of Laser Physics 10, 1 (2000)

Anonymous fingerprinting with direct non-repudiation

2000 - Ahmad-Reza Sadeghi, Birgit Pfitzmann

In T. Okamoto, editor, Advances in Cryptology - ASIACRYPT‘2000, volume 1976 of Lecture Notes in Computer Science, pages 401-414, Kyoto, Japan, 2000. International Association for Cryptologic Research, Springer-Verlag, Berlin Germany.

ETECAL - Eine neue Generation durchstimmbarer Diodenlaser

1999 - Martin R. Hofmann , J. Struckmeier, Martin Breede, B. Smarsly, A. Euteneuer

LaserOpto 31, 42

Sonography of the skin at 100 MHz enables in vivo visualization of stratum corneum and viable epidermis in palmar skin and psoriatic plaques

1999 - Stephan El Gammal, Claudia El Gammal, Katharina Kaspar, Carsten Piek, Peter Altmeyer, Michael Vogt, Helmut Ermert

The Journal of Investigative Dermatology, Vol. 113, No. 5, Nov. 1999, pp. 821-829

Elektronisch abstimmbarer Diodenlaser

1999 - Martin R. Hofmann

Sensor report 14, 31

Heat acclimation of humans: hot environment versus physical exercise

1999 - Andres, T., Martin Hexamer, Werner, J.

J Therm Biol, vol. 25, pp. 139-142, 1999.

Influence of the pacing rate on the atrioventricular conduction time during aerobic and anaerobic exercise: Basic concepts for a Dromotropically Controlled Rate Responsive Pacemaker

1999 - Meine, M., Martin Hexamer, Werner, J., Israel, C.W., Mügge, A., Lemke, B., Barmeyer, J.

Pacing Clin Electrophysiol, vol. 22, pp. 1782-1791, 1999.

Multi-loop control of liquid cooling garment systems

1999 - Xu, X., Martin Hexamer, Werner, J.

Ergonomics, vol. 42, pp. 282-298, 1999.

Relationship between the atrioventricular delay and oxygen consumption in patients with sick sinus syndrome: Relevance to rate-responsive pacing

1999 - Meine, M., Martin Hexamer, Werner, J., Israel, C.W., Lemke, B., Barmeyer, J.

Pacing Clin Electrophysiol, vol. 22, pp. 1054-1063, 1999.

Restoration of cardio-circulatory regulation by rate-adaptive pacemaker systems

1999 - Werner, J., Martin Hexamer, Meine, M., Lemke, B.

IEEE Trans Biomed Eng, vol. 46, pp. 1057-1064, 1999.

Energy loss rate of excitons in GaN

1999 - D. Hägele, R. Zimmermann, M. Oestreich, Martin R. Hofmann , W.W. Rühle, B.K. Meyer, H. Amano, I. Akasaki

Physica B 272, 409

Acclimation induced by equivalent strain due to exogenous and endogenous heat load

1999 - Werner, J., Martin Hexamer, Andres, T.

in Environmental Ergonomics VIII, J. A. Hodgdon, J. H. Heaney, and M. J. Buono, Eds. San Diego, CA, USA, 1999, pp. 333-336.

Automatic control of life support systems in extreme heat

1999 - Martin Hexamer, Xu, X., Werner, J.

in Proceedings of the 14th IFAC World Congress, vol. L, H. F. Chen, D. Z. Cheng, and J. F. Zhang, Eds. Beijing: Pergamon, 1999, pp. 29-34.

Automatic control of liquid cooling garment: What is the ideal control mode?

1999 - Martin Hexamer, Werner, J.

in Environmental Ergonomics VIII, J. A. Hodgdon, J. H. Heaney, and M. J. Buono, Eds. San Diego, CA, USA, 1999, pp. 251-254.

Closed-loop control of the heart by rate adaptive pacemakers

1999 - Werner, J., Martin Hexamer, Meine, M., Hoeland, K.

in Proceedings of the 14th IFAC World Congress, vol. L, H. F. Chen, D. Z. Cheng, and J. F. Zhang, Eds. Beijing: Pergamon, 1999, pp. 1-6.

Algorithmenunabhängige Krypto-Hardware

1999 - Chris­tof Paar

(Algorithm Independent Crypto Hardware, in German), Datenschutz und Datensicherheit, vol. 23, no. 10, pp. 562-564, October, 1999.

DES auf FPGAs

1999 - J.-P. Kaps, Chris­tof Paar

(DES on FPGAs, in German) Datenschutz und Datensicherheit, vol. 23, no. 10, pp. 565-569, October, 1999.

Fast Arithmetic for Public-Key Algorithms in Galois Fields with Composite Exponents

1999 - Chris­tof Paar, P. Fleischmann, P. Soria-Rodriguez

IEEE Transactions on Computers, vol. 48, no. 10, pp. 1025-1034, October, 1999. [gz] [pdf]

Electronically tunable external cavity laser diode

1999 - J. Struckmeier, A. Euteneuer, B. Smarsly, Martin Breede, M. Born, Martin R. Hofmann , L. Hildebrand, J. Sacher

Opt. Lett. 24, 1573

Coherent excitation spectroscopy on inhomogeneous exciton ensembles

1999 - A. Euteneuer, E. Finger, Martin R. Hofmann , W. Stolz, T. Meier, P. Thomas, S.W. Koch, W.W. Rühle, R. Hey, K. Ploog

Phys. Rev. Lett. 83, 2073

Ultrafast (GaIn)(NAs)/GaAs vertical-cavity surface-emitting laser for the 1.3 µm wavelength regime

1999 - C. Ellmers, F. Höhnsdorf, J. Koch, C. Agert, S. Leu, D. Karaiskaj, Martin R. Hofmann , W. Stolz, W.W. Rühle

Appl. Phys. Lett. 74, 2271

Linewidths in a semiconductor microcavity with variable strength of normal-mode coupling

1999 - D. Karaiskaj, T. Maxisch, C. Ellmers, H.-J. Kolbe, G. Weiser, R. Rettig, S. Leu, W. Stolz, Martin R. Hofmann , F. Jahnke, S.W. Koch, W. Rühle

Phys. Rev. B 59, 13525

Cooling dynamics of excitons in GaN

1999 - D. Hägele, R. Zimmermann, M. Oestreich, Martin R. Hofmann , W.W. Rühle, B.K. Meyer, H. Amano, I. Akasaki

Phys. Rev. B 59, R7797

Optically pumped (GaIn)As/Ga(PAs) vertical-cavity surface-emitting lasers with optimized dynamics

1999 - C. Ellmers, Martin R. Hofmann , D. Karaiskaj, S. Leu, W. Stolz, W.W. Rühle, M. Hilpert

Appl. Phys. Lett. 74, 1367

100 MHz sonography for visualisation of the palmar stratum corneum after application of different creams and ointments

1999 - Katharina Kaspar, Michael Vogt, Helmut Ermert, Peter Altmeyer, Stephan El Gammal

Ultraschall in der Medizin, Vol. 20, No. 3, Juni 1999, pp. 110-114

Ultrafast dynamical response of strain-compensated (GaIn)As/Ga(PAs) microcavity lasers

1999 - C. Ellmers, S. Leu, Martin R. Hofmann , D. Karaiskaj, W.W. Rühle, W. Stolz

Proc. SPIE 3627, 70

A Highly Linear Frequency Ramp Generator based on a Fractional Divider Phase-Locked-Loop

1999 - Thomas Musch, Ilona Rolfes, Burkhard Schiek †

IEEE Transactions on Instrumentation and Measurement, Vol. 48, No. 2, pp. 634-637, April 1999 [IEEE Library]

Gain and emission dynamics of semiconductor lasers

1999 - Martin R. Hofmann

Recent Res. Devel. Applied Phys. 2, 269

Ultrafast physics in Nitrides

1999 - Martin R. Hofmann , R. Zimmermann, M. Oestreich, W.W. Rühle

Materials Science & Engineering B 59, 141

A Gaussian approach to the calculation of the accuracy of stereotactic frame systems

1999 - Zylka, W., Sabczynski, J., Georg Schmitz

Medical Physics, 1999, 26, 381-391

Tissue characterization of the prostate using radio frequency ultrasonic signals

1999 - Georg Schmitz, Senge, T., Helmut Ermert

IEEE Trans. Ultrason. Ferroel. Freq. Control, 1999, 46, 126-138

Ultraschall-Artefakte

1999 - Georg Schmitz

Ultraschall und Magnetische Resonanz, Deutsche Gesellschaft für Medizinische Physik, 1999

Ultraschall-Biomikroskopie

1999 - Georg Schmitz

Ultraschall und Magnetische Resonanz, Deutsche Gesellschaft für Medizinische Physik, 1999

Ultraschallspektroskopie

1999 - Georg Schmitz

Ultraschall und Magnetische Resonanz, Deutsche Gesellschaft für Medizinische Physik, 1999

Coin-based anonymous fingerprinting

1999 - Ahmad-Reza Sadeghi, Birgit Pfitzmann

In Jacques Stern, editor, Advances in Cryptology – EUROCRYPT ’99, volume 1599 of Lecture Notes in Computer Science, pages 1599 of Lecture Notes in Computer Science, pages 150-164: International Association for Cryptologic Research, Springer-Verlag, Berlin Germany, 1999.

Kombinierte Erfassung von axialem und transversalem Blutfluß mit einem 50 MHz-Ultraschall-B-Bild-System für die Dermatologie

1999 - Michael Vogt, Cristobal Curio, Helmut Ermert, Stephan el Gammal, Katharina Kaspar, Klaus Hoffmann, Markus Stücker, Peter Altmeyer

Zeitschrift für Medizinische Physik, Nr. 1, S. 30-36, 1999

100 MHz sonography of psoriasis vulgaris plaques

1998 - Stephan el Gammal, Carsten Piek, Thorsten Auer, Katharina Kaspar, Klaus Hoffmann, Peter Altmeyer, Michael Vogt, Helmut Ermert

Ultraschall in der Medizin, Vol. 19, No. 6, Dec. 1998, pp. 270-274

GaAs-based VCSEL-structures with strain-compensated (GaIn)As/Ga(PAs)-MQWH active regions grown by using TBAs and TBP

1998 - C. Ellmers, S. Leu, R. Rettig, Martin R. Hofmann , W.W. Rühle, W. Stolz

J. Crystal Growth 195, 630

Sensorgesteuerte Herzschrittmacher-Systeme

1998 - Werner, J., Martin Hexamer, Hoeland, K., Meine, M.

at (Automatisierungstechnik), vol. 46, pp. 516-523, 1998.

Pump geometry for resonant and quasi- resonant optical excitation of microcavity lasers

1998 - Martin R. Hofmann , F. Jahnke, C. Ellmers, M. Oestreich, H.C. Schneider, F. Jahnke, S.W. Koch, W.W. Rühle, M. Hilpert, H. Klann, H.D. Wolf, D. Bernklau, H. Riechert

Opt. Lett. 23, 849

Gain dynamics of semiconductor lasers

1998 - Martin R. Hofmann

Proc. SPIE 3283, 109 (1998) Physics and Simulation of Optoelectronic Devices VI
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