Publications

Measurement and calculation of gain spectra for (GaIn)As/(AlGaAs) single quantum well lasers

1998 - C. Ellmers, Martin R. Hofmann , W.W. Rühle, A. Girndt, F. Jahnke, A. Knorr, S.W. Koch, C. Hanke, L. Korte, C. Hoyler

Appl. Phys. Lett. 72, 1647

Gain spectra of an (InGa)As single quantum well laser diode

1998 - C. Ellmers, Martin R. Hofmann , W.W. Rühle, A. Girndt, F. Jahnke, W.W. Chow, A. Knorr, S.W. Koch, C. Hanke, L. Korte, C. Hoyler

phys. stat. sol. (b) 206, 407

Efficient Multiplier Architectures for Galois Fields GF((2^n)^4)

1998 - Chris­tof Paar, P. Fleischmann, P. Roelse

IEEE Transactions on Computers, vol. 47, no. 2, pp. 162-170, February 1998. [ps]

Progress in the European Applications in Surgical Interventions (EASI) Project

1998 - Georg Schmitz, Breeuwer, M., de Bliek, H., Desmedt, P., Gieles, P., Gerritsen, F., Wadley, J., Dorward, N., Velani, B., Kitchen, N., Thomas, D., Wink, O., Blankensteijn, J., Eikelboom, B., Mali, W., Viergever, M., Penney, G., Gaston, R., Hill, D., Hawkes, D., Weese, J., Sabczynski, J., Zylka, W., Lorenz, C., Buzug, T., Kuhn, M. H.

The EASI project-improving the effectiveness and quality of image-guided surgery

1998 - Georg Schmitz, Breeuwer, M., de Bliek, H., Desmedt, P., Gieles, P., Gerritsen, F., Buurman, J., Dorward, N., Kitchen, N. D., Velani, B., Thomas, D. G. T., Wink, O., Blankensteijn, J., Eikelboom, B., Mali, W., Viergever, M., Penney, G., Gaston, R., Hill, D., Hawkes, D., Maurer, C. R., Maes, F., Vandermeulen, D., Verbeeck, R., Suetens, P., Buzug, T. M., Lorenz, C., Sabczynski, J., Weese, J., Zylka, W., Kuhn, M. H.

IEEE Transactions on Information Technology in Biomedicine

Transient four-wave-mixing spectroscopy on Gallium Nitride: Energy splittings of intrinsic excitonic resonances

1997 - R. Zimmermann, A. Euteneuer, J. Möbius, D. Weber, Martin R. Hofmann , W.W. Rühle, E.O. Göbel, B.K. Meyer, H. Amano, I. Akasaki

Phys. Rev. B 56, R12722

Biexcitonic binding energies in the transition from three- to two-dimensional semiconductors

1997 - A. Euteneuer, J. Möbius, R. Rettig, Martin R. Hofmann , E. Mayer, W. Stolz, E.O. Göbel, W.W. Rühle

Phys. Rev. B 56, R10028

Confinement dependence of biexcitonic binding energies in semiconductor quantum wells

1997 - A. Euteneuer, J. Möbius, R. Rettig, Martin R. Hofmann , E. Mayer, W. Stolz, E.O. Göbel, W.W. Rühle

phys. stat. sol. (a) 164, 253

Transient four wave mixing experiments on GaN

1997 - R. Zimmermann, A. Euteneuer, J. Möbius, D. Weber, Martin R. Hofmann , W.W. Rühle, E.O. Göbel, B.K. Meyer, H. Amano, I. Akasaki

MRS Internet Journal of Nitride Research 2, 24

Quantum beat spectroscopy on excitons in GaN

1997 - R. Zimmermann, A. Euteneuer, J. Möbius, D. Weber, Martin R. Hofmann , W.W. Rühle, E.O. Göbel, B.K. Meyer, H. Amano, I. Akasaki

Materials Science; Engineering B. 50, 205

Control of liquid cooling garments: technical control of mean skin temperature and its adjustments to exercise

1997 - Martin Hexamer, Werner, J.

Appl Human Sci, vol. 16, pp. 237-247, 1997.

Application of high frequency broadband ultrasound for high resolution blood flow measurement

1997 - Michael Vogt, Helmut Ermert

Proceedings: IEEE 1997 Ultrasonics Symposium, pp. 1243-1246, Oct. 5-8, 1997, Toronto, Canada

Influence of carrier relaxation on the dynamics of stimulated emission in microcavity lasers

1997 - M. Hilpert, Martin R. Hofmann , C. Ellmers, M. Oestreich, H.C. Schneider, F. Jahnke, S.W. Koch, W.W. Rühle, H.D. Wolf, D. Bernklau, H. Riechert

Appl. Phys. Lett. 71, 3761

Influence of carrier cooling on the emission dynamics of semiconductor microcavity lasers

1997 - M. Hilpert, Martin R. Hofmann , C. Ellmers, M. Oestreich, H.C. Schneider, F. Jahnke, S.W. Koch, W.W. Rühle, H.D. Wolf, D. Bernklau, H. Riechert

phys. stat. sol. (b) 204, 548

Monolithic colliding pulse mode-locked semiconductor lasers

1997 - S. Bischoff, J. Mørk, T. Franck, S.D. Brorson, Martin R. Hofmann , K. Fröjdh, L. Prip, M.P. Sørensen

Journal of Quantum Semiclass. Opt. 9, 655 (1997) - invited

Spectrally and temporally resolved gain dynamics in mode locked semiconductor quantum well lasers

1997 - P. Miltenyi, M. Koch, Martin R. Hofmann , H. Jung, W. Elsäßer

Appl. Phys. Lett. 70, 1506

Chirp of monolithic colliding pulse mode-locked diode lasers

1997 - Martin R. Hofmann , S. Bischoff, T. Franck, L. Prip, S.D. Brorson, J. Mørk, K. Fröjdh

Appl. Phys. Lett. 70, 2514

Temporal and spectral dynamics in Multiquantum well semiconductor saturable absorbers

1997 - Martin R. Hofmann , K. Fröjdh, S. D. Brorson, J. Mørk

IEEE Photon. Technol. Lett. 9, 622

Subpicosecond heterodyne four-wave mixing experiments on InGaAsP semiconductor laser amplifiers

1997 - Martin R. Hofmann , S.D. Brorson, J. Mørk, P. Skovgaard, J. McInerney, A. Mecozzi

Opt. Commun. 139, 117

Calculation of the Application Accuracy of Various Stereotactic Frame Systems

1997 - Zylka, W., Sabczynski, J., Georg Schmitz

Elsevier, 1997, 866-871

Registration by Palpation for Image Guided Surgery of the Head

1997 - Georg Schmitz, Weese, J., Zylka, W., Sabczynski, J.

Elsevier, 1997, 305-310

The Geometrical Accuracy of Volumetric CT Images

1997 - Zylka, W., Sabczynski, J., Georg Schmitz

Integration of a Neuro-Endoscope into an Image-Guided Surgery System

1997 - Georg Schmitz, Buurman, J., Gerritsen, F. A., Dorward, N., Zhao, J., Hawkes, D.

Wiley, 1997, 2, 203

Control of liquid cooling garments: technical control of body heat storage

1996 - Martin Hexamer, Werner, J.

Appl Human Sci, vol. 15, pp. 177-185, 1996.

Transient four-wave mixing with collinear pump and probe

1996 - A. Mecozzi, J. Mørk, Martin R. Hofmann

Opt. Lett. 21, 1017

Automatic multi-loop control of cooling garments

1996 - Martin Hexamer, Xu, X., Werner, J.

in Environmental Ergonomics - Recent Progress and New Frontiers, Y. Shapiro, D. S. Moran, and Y. Epstein, Eds. London and Tel Aviv: Freud Publishing House Ltd., 1996, pp. 343-346.

Time resolved four-wave mixing technique to measure the ultrafast coherent dynamics in semiconductor optical amplifiers

1996 - Martin R. Hofmann , S.D. Brorson, J. Mørk, A. Mecozzi

Appl. Phys. Lett. 68, 3236

A New Architecture for a Parallel Finite Field Multiplier with Low Complexity Based on Composite Fields

1996 - Chris­tof Paar

IEEE Transactions on Computers, vol. 45, no. 7, pp. 856-861, July, 1996. [ps]

Modelling and characterization of colliding pulse modelocked (CPM) quantum well lasers

1996 - S. Bischoff, S.D. Brorson, T. Franck, Martin R. Hofmann , L. Prip, M.P. Sørensen, J. Mørk

Proc. SPIE 2693, 477 (1996) Physics and Simulation of Optoelectronic Devices IV, Ed. W.W. Chow and M. Osinski

Accuracy Analysis for Image-Guided Neurosurgery using Fiducial Skin Markers, 3D CT Imaging, and an Optical Localizer System

1996 - Georg Schmitz, Fuchs, M., Wischmann, H.-A., Neumann, A., Weese, J., Zylka, W., Sabczynski, J., Kuhn, M. H., Buzug, T, Gieles, P. M. C.

Proc. Computer Assisted Radiology , Elsevier, 1996, 770-775

Theory of coherent phenomena in pump - probe excitation of semiconductor amplifiers

1995 - A. Girndt, A. Knorr, Martin R. Hofmann , S.W. Koch

J. Appl. Phys. 78, 2946

Control of liquid cooling garments: subjective versus technical control of thermal comfort

1995 - Martin Hexamer, Werner, J.

Appl Human Sci, vol. 14, pp. 271-278, 1995.

Long-term stable mode locking of a visible diode laser with phase-conjugate feedback

1995 - E. Miltenyi, M.O. Ziegler, Martin R. Hofmann , J. Sacher, W. Elsäßer, E.O. Göbel, D.L. Mac Farlane

Optics Lett. 20, 734

Phase and amplitude stabitlity of an external cavity laser diode modelocked by optoelectronic feedback

1995 - M.O. Ziegler, Martin R. Hofmann , J. Sacher, W. Elsäßer, E.O. Göbel

Electron. Lett. 31, 371

A Reduced-Fluid Dynamic Discharge Model for Applications in Technology-Oriented Computer-Aided Design

1995 - Ralf Peter Brinkmann, R. Fürst, C. Werner, Mathias Hierlemann

J. Electrochem. Soc., Volume 143, Issue 6 [DOI]

Influence of contacts on the hold-off voltage and recovery of electron-beam activated gallium arsenide switches

1995 - Kennedy, M.K, Ralf Peter Brinkmann, Schoenbach, K.H.

Trans on IEEE Volume 42, Issue 5, 1009 - 1011 [DOI]

The effect of the presheath on the ion angular distribution at the wafer surface

1995 - Jie Zheng, Ralf Peter Brinkmann, James P. McVittie

J. Vac. Sci. Technol. A 13, 859 (1995) [DOI]

Theoretical analysis of ultrafast pump - probe experiments in semiconductor amplifiers

1995 - A. Girndt, A. Knorr, Martin R. Hofmann , S.W. Koch

Appl. Phys. Lett. 66, 550

Color-coded tissue characterization images of the prostate

1995 - Georg Schmitz, Helmut Ermert

Acoustical Imaging, 1995, 22, 359-364

A Classification of Abelian Quasigroups

1995 - Jörg Schwenk,

Rendiconti di Matematica, Serie VII, Volume 15, Roma (1995), 161-172

Clinical Assessment of Quantitative Echography

1995 - Thijssen, J., Huisman, H. J., Berger, G., Laugier, P., Helmut Ermert, Georg Schmitz, Crawford, D., Bell, D.

University Nijmegen, Nijmegen, The Netherlands; University of Paris VI, Paris, France; Ruhr-Universität Bochum, Bochum, Germany, Royal Marsden Hospital, Sutton, United Kingdom, 1995

High spectral tuning range of a modelocked InGaAs/InGaAsP MQW laser diode due to light hole gain contribution

1994 - Martin R. Hofmann , W. Weise, W. Elsäßer, E.O. Göbel

IEEE Photon. Technol. Lett. 6, 1306

Strategies for automatic control of cooling garments

1994 - Martin Hexamer, Werner, J.

in Environmental Ergonomics VI, J. Frim, M. Ducharme, and P. Tikuisis, Eds. Montebello (Canada), 1994, pp. 98-99.

Picosecond gain dynamics of an actively mode - locked external cavity laser diode

1994 - Martin R. Hofmann , M. Koch, J. Feldmann, W. Elsäßer, E.O. Göbel, W.W. Chow, S.W. Koch

IEEE J. Quantum Electron. 30, 1756

Temporal and spectral gain dynamics in an actively modelocked semiconductor laser

1994 - Martin R. Hofmann , M. Koch, H.-J. Heinrich, G. Weiser, J. Feldmann, W. Elsäßer, E.O. Göbel, W.W. Chow, S.W. Koch

IEEE Proc.-Optoelectron. 141, 127

Effects of 1-MeV neutron irradiation on the operation of a bistable optically controlled semiconductor switch (BOSS)

1994 - Stoudt, D.C, Ralf Peter Brinkmann, Roush, R.A, Mazzola, M.S, Zutavern, F.J, Loubriel, G.M

Trans. on IEEE , Volume 41, Issue 6, 913 - 919 [URL]

Verstärkungsdynamik modengekoppelter Laserdioden

1994 - Martin R. Hofmann

Philipps-Universität Marburg

Picosecond gain dynamics of an actively modelocked external cavity laser diode

1994 - Martin R. Hofmann , M. Koch, H.-J. Heinrich, G. Weiser, J. Feldmann, W. Elsäßer, E.O. Göbel, S.W. Koch, W.W. Chow

Proc. SPIE 2146, 256 (1994) Physics and Simulation of Optoelectronic Devices II, Ed. W.W. Chow and M. Osinski
Page: