Dr. Fritz Weik Profile

Dr. Fritz Weik

at MBI für Nichtlineare Optik und Kurzzeitspektros

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 13 February 2008 Paper

Accurate determination of absolute temperatures of GaAs based high-power diode lasers

M. Ziegler, J. Tomm, F. Weik, T. Elsaesser, C. Monte, J. Hollandt, H. Kissel, G. Seibold, J. Biesenbach

Proceedings Volume 6876, 68761A (2008) https://doi.org/10.1117/12.758879

KEYWORDS: Semiconductor lasers, Thermography, High power lasers, Semiconductors, Cameras, Temperature metrology, Gallium arsenide, Transmittance, Semiconductor materials, Sensors

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Proceedings Article | 13 February 2008 Paper

Screening of high power laser diode bars in terms of stresses and thermal profiles

Jens Tomm, Mathias Ziegler, Tran Quoc Tien, Fritz Weik, Petra Hennig, Jens Meusel, Heiko Kissel, Gabriele Seibold, Jens Biesenbach, Guenther Groenninger, Gerhard Herrmann, Uwe Strauß

Proceedings Volume 6876, 687619 (2008) https://doi.org/10.1117/12.758877

KEYWORDS: Copper, Waveguides, Packaging, Pulsed laser operation, Indium, High power lasers, Diodes, Thermography, Quantum wells, Absorption

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Proceedings Article | 7 February 2007 Paper

Degradation behavior and thermal properties of red (650 nm) high-power diode single emitters and laser bars

Jens Tomm, Tran Tien, Mathias Ziegler, Fritz Weik, Bernd Sumpf, Martin Zorn, Ute Zeimer, Götz Erbert

Proceedings Volume 6456, 645606 (2007) https://doi.org/10.1117/12.696552

KEYWORDS: Semiconductor lasers, Quantum wells, High power lasers, Photons, Luminescence, Temperature metrology, Diodes, Visible radiation, Packaging, Waveguides

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Proceedings Article | 27 February 2006 Paper

New infrared sources for breath analysis

A. Lambrecht, M. Braun, S. Hartwig, J. Nurnus, J. Wöllenstein, F. Weik, J. Tomm

Proceedings Volume 6093, 60930B (2006) https://doi.org/10.1117/12.644561

KEYWORDS: Carbon monoxide, Quantum cascade lasers, Vertical cavity surface emitting lasers, Infrared radiation, Sensors, Gas lasers, Light emitting diodes, Modulation, Absorption, Near infrared

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Proceedings Article | 25 October 2005 Paper

New characterization methods for semiconductor lasers

Jens Tomm, Fritz Weik, Anna Kozlowska, Mateusz Latoszek, Maciej Bugajski, Mariusz Zbroszczyk

Proceedings Volume 6013, 60130M (2005) https://doi.org/10.1117/12.631698

KEYWORDS: Thermography, Semiconductor lasers, Infrared imaging, Mid-IR, Infrared cameras, Luminescence, Temperature metrology, Cameras, High power lasers, Channel projecting optics

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Proceedings Article | 12 October 2005 Paper

Screening techniques for high power GaAsP/AlGaAs/GaAs semiconductor diode lasers

P. Wawrzyniak, A. Kozłlowska, J. Tomm, A. Maląg, F. Weik, M. Teodorczyk, M. Latoszek

Proceedings Volume 5958, 59582K (2005) https://doi.org/10.1117/12.622704

KEYWORDS: Semiconductor lasers, High power lasers, Reliability, Thermography, Cladding, Mirrors, Profiling, Quantum wells, Heterojunctions, Diodes

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Proceedings Article | 12 October 2005 Paper

Studies of the degradation mechanisms in high-power diode lasers using multi-channel micro-thermography

Anna Kozłowska, Jens Tomm, Piotr Wawrzyniak, Andrzej Maląg, Fritz Weik, Mateusz Latoszek

Proceedings Volume 5958, 59580X (2005) https://doi.org/10.1117/12.622677

KEYWORDS: Semiconductor lasers, Thermography, Infrared imaging, Luminescence, Signal detection, Cameras, Mid-IR, Infrared cameras, High power lasers, Infrared radiation

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Proceedings Article | 7 July 2005 Paper

Optically pumped mid infrared emitters built using surface structured PbSe epitaxial layers

J. Nurnus, U. Vetter, J. Koenig, R. Glatthaar, A. Lambrecht, F. Weik, J. Tomm

Proceedings Volume 5840, (2005) https://doi.org/10.1117/12.608779

KEYWORDS: Optical pumping, Near infrared, Cameras, Diamond, Luminescence, Infrared imaging, Mid-IR, Copper, High power lasers

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Proceedings Article | 28 April 2005 Paper

A novel light-emitting structure for the 3- to 5-µm spectral range

J. Tomm, F. Weik, R. Glatthaar, U. Vetter, J. Nurnus, A. Lambrecht, B. Spellenberg, M. Bassler, M. Behringer, J. Luft

Proceedings Volume 5722, (2005) https://doi.org/10.1117/12.611330

KEYWORDS: Cameras, Luminescence, Lead, Semiconductor lasers, Sensors, Light, High power lasers, Integrating spheres, Mid-IR, Calibration

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Proceedings Article | 17 March 2005 Paper

Thermal properties of high-power diode lasers investigated by microthermography

Anna Kozlowska, Fritz Weik, Jens Tomm, Andrzej Malag, Mateusz Latoszek, Piotr Wawrzyniak, Marian Teodorczyk, Lech Dobrzanski, Mariusz Zbroszczyk, Maciej Bugajski

Proceedings Volume 5711, (2005) https://doi.org/10.1117/12.588957

KEYWORDS: Semiconductor lasers, Thermography, Temperature metrology, Heatsinks, Spatial resolution, High power lasers, Micro raman spectroscopy, Data modeling, Finite element methods, Thermal modeling

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Proceedings Article | 1 September 2004 Paper

Mid-infrared light sources at room temperature based on lead chalcogenides

Regine Glatthaar, Joachim Nurnus, Uwe Vetter, Dirk Szewczyk, Armin Lambrecht, Fritz Weik, Jens Tomm

Proceedings Volume 5459, (2004) https://doi.org/10.1117/12.544842

KEYWORDS: Mid-IR, Light sources, Lead, FT-IR spectroscopy, Chalcogenides, Signal detection, Cameras, Diamond, Thin films, Infrared radiation

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Proceedings Article | 21 June 2004 Paper

Materials and structural design of a mid-infrared light-emitting device

Fritz Weik, Jens Tomm, Regine Glatthaar, Uwe Vetter, Dirk Szewczyk, Joachim Nurnus, Armin Lambrecht, Markus Grau, Ralf Meyer, Markus Amann, Bernd Spellenberg, Michael Bassler

Proceedings Volume 5366, (2004) https://doi.org/10.1117/12.528899

KEYWORDS: Luminescence, Quantum wells, Infrared cameras, Cameras, Semiconductors, Spectroscopy, Infrared imaging, Mid-IR, Lead, FT-IR spectroscopy

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Proceedings Article | 1 June 2004 Paper

Transient thermal tuning properties of single emitters in actively cooled high-power cm-bar arrays

Jens Tomm, Fritz Weik, Axel Gerhardt, Tien Tran, Jens Biesenbach, Holger Muntz, Gabriele Seibold

Proceedings Volume 5336, (2004) https://doi.org/10.1117/12.528884

KEYWORDS: Pulsed laser operation, Quantum wells, High power lasers, Temperature metrology, Semiconductor lasers, Reliability, Continuous wave operation, Packaging, Waveguides, Semiconductors

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Showing 5 of 13 publications

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