Dr. Muhammad Ali Profile

Dr. Muhammad Ali

at ams-OSRAM International GmbH

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Author

Publications (6)

Proceedings Article | 2 March 2020 Paper

Blue high power InGaN semiconductor laser diodes: design optimization of laser bars and single emitters for best performance and reliability

Harald König, Sven Gerhard, Muhammad Ali, Urs Heine, Sönke Tautz, Christoph Eichler, Georg Brüderl, Matthias Peter, Alfred Lell, Martin Behringer, Markus Keidler, Tobias Haupeltshofer, Christoph Walter, Markus Baumann, Anne Balck, Volker Krause

Proceedings Volume 11262, 112620Q (2020) https://doi.org/10.1117/12.2543306

KEYWORDS: Semiconductor lasers, High power lasers, Fiber coupled lasers, Diodes, Reliability, Copper, Materials processing, Fiber couplers, Laser development, Laser processing

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Proceedings Article | 14 March 2019 Paper

Visible GaN laser diodes: from lowest thresholds to highest power levels

Harald König, Muhammad Ali, Werner Bergbauer, John Brückner, Georg Brüderl, Christoph Eichler, Sven Gerhard, Urs Heine, Alfred Lell, Lars Naehle, Matthias Peter, Jelena Ristic, Georg Rossbach, André Somers, Bernhard Stojetz, Soenke Tautz, Jan Wagner, Teresa Wurm, Uwe Strauss, Markus Baumann, Anne Balck, Volker Krause

Proceedings Volume 10939, 109390C (2019) https://doi.org/10.1117/12.2511976

KEYWORDS: Semiconductor lasers, Laser damage threshold, Laser applications, High power lasers, Materials processing, Gallium nitride, Projection systems, Laser processing, Fiber coupled lasers

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Proceedings Article | 4 March 2019 Presentation + Paper

High brightness fiber coupled diode lasers at 450 nm

Tobias Könning, Simon Drovs, Michael Stoiber, Philipp König, Heiko Kissel, Florian Harth, Bernd Köhler, Jens Biesenbach, Harald König, Alfred Lell, Bernhard Stojetz, Muhammad Ali, Uwe Strauss

Proceedings Volume 10900, 1090006 (2019) https://doi.org/10.1117/12.2507462

KEYWORDS: Semiconductor lasers, Fiber lasers, Laser development, Fiber couplers, Fiber coupled lasers, Multiplexing, High power diode lasers, Copper, Manufacturing, Polarization

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Proceedings Article | 4 March 2019 Paper

1000 W blue fiber-coupled diode-laser emitting at 450 nm

M. Baumann, A. Balck, J. Malchus, R. Chacko, S. Marfels, U. Witte, D. Dinakaran, S. Ocylok, M. Weinbach, C. Bachert, A. Kösters, V. Krause, H. König, A. Lell, B. Stojetz, M. Ali, U. Strauss

Proceedings Volume 10900, 1090005 (2019) https://doi.org/10.1117/12.2511255

KEYWORDS: Fiber coupled lasers, Semiconductor lasers, Copper, Polarization, Laser sources, Fiber couplers, Near infrared, Laser applications, Fiber lasers, Absorption

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Proceedings Article | 1 March 2019 Presentation + Paper

Visible and near-infrared emission images of (In,Ga,Al)N-based 450nm emitting-diode lasers

Jens Tomm, Robert Kernke, Muhammad Ali, Bernhard Stojetz, Alfred Lell, Harald König

Proceedings Volume 10939, 109390J (2019) https://doi.org/10.1117/12.2509349

KEYWORDS: Infrared imaging, Semiconductor lasers, Electroluminescence, Modeling, Absorption, Image analysis, Waveguides, Laser damage threshold, Infrared radiation, Refractive index

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Proceedings Article | 19 February 2018 Paper

Blue 450nm high power semiconductor continuous wave laser bars exceeding rollover output power of 80W

H. König, A. Lell, B. Stojetz, M. Ali, C. Eichler, M. Peter, A. Löffler, U. Strauss, M. Baumann, A. Balck, J. Malchus, V. Krause

Proceedings Volume 10514, 1051402 (2018) https://doi.org/10.1117/12.2286875

KEYWORDS: Semiconductor lasers, High power lasers, Absorption, Materials processing, Semiconductors, Copper, Gold, Continuous wave operation, Gallium nitride

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Showing 5 of 6 publications

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