Dr. Ralf Staske Profile

Dr. Ralf Staske

at Ferdinand-Braun-Institut gGmbH

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 4 March 2019 Presentation + Paper

Highly reliable low noise pump sources for solid state lasers in laser communication terminals

K. Häusler, J. Fricke, R. Staske, B. Eppich, A. Knigge

Proceedings Volume 10910, 109100N (2019) https://doi.org/10.1117/12.2511232

KEYWORDS: Reliability, Semiconducting wafers, Semiconductor lasers, Resonators, Temperature metrology, Failure analysis, Optical design, Solid state lasers, Laser communications, Laser development

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Proceedings Article | 19 February 2018 Paper

Pico- and nanosecond investigations of the lateral nearfield of broad area lasers under pulsed high-current excitation

A. Klehr, A. Liero, H. Wenzel, A. Zeghuzi, J. Fricke, R. Staske, A. Knigge

Proceedings Volume 10553, 105530K (2018) https://doi.org/10.1117/12.2286845

KEYWORDS: Near field optics, Near field, Pulsed laser operation, Picosecond phenomena, Streak cameras, Semiconductor lasers, Gallium nitride, Transistors, Quantum wells, Diffusion

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Proceedings Article | 13 March 2015 Paper

Assessment of high-power kW-class single-diode bars for use in highly efficient pulsed solid state laser systems

Antonio Lucianetti, Jan Pilar, Alina Pranovich, Martin Divoky, Tomas Mocek, K. Ertel, Helena Jelinkova, P. Crump, C. Frevert, R. Staske, Götz Erbert, Günther Traenkle

Proceedings Volume 9348, 934811 (2015) https://doi.org/10.1117/12.2077558

KEYWORDS: Semiconductor lasers, Solid state lasers, Diodes, High power lasers, Laser systems engineering, Diode pumped solid state lasers, Neodymium, Pulsed laser operation, Fiber coupled lasers, Resistance

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Proceedings Article | 5 March 2013 Paper

Dynamics of high power gain switched DFB RW laser under high current pulse excitation on a nanosecond time scale

A. Klehr, S. Schwertfeger, H. Wenzel, Th. Hoffmann, A. Liero, R. Staske, O. Brox, G. Erbert, G. Tränkle

Proceedings Volume 8640, 86401N (2013) https://doi.org/10.1117/12.2002273

KEYWORDS: Near field optics, Pulsed laser operation, Waveguides, Semiconductor lasers, Switching, Fiber lasers, High power lasers, Picosecond phenomena, Near field, Fiber Bragg gratings

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Proceedings Article | 4 March 2013 Paper

654 nm broad area lasers for QCW operation with a maximal facet load of 76 mW/µm

B. Sumpf, M. Pohl, W. Pittroff, R. Staske, G. Erbert, G. Tränkle

Proceedings Volume 8640, 86400D (2013) https://doi.org/10.1117/12.2001806

KEYWORDS: Aluminum nitride, Semiconductor lasers, Reliability, Continuous wave operation, Cladding, Chemical vapor deposition, Diamond, Quantum wells, Waveguides

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Proceedings Article | 26 February 2013 Paper

Suppression of mode switching noise in wavelength stabilized laser diodes by external Bragg gratings

K. Häusler, R. Staske, G. Erbert, G. Tränkle

Proceedings Volume 8605, 86050R (2013) https://doi.org/10.1117/12.2001643

KEYWORDS: Switching, Semiconductor lasers, Resonators, Reflectivity, Fiber Bragg gratings, Mirrors, Waveguides, Signal to noise ratio, Interference (communication), Laser stabilization

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Proceedings Article | 24 February 2009 Paper

20W continuous wave reliable operation of 980nm broad-area single emitter diode lasers with an aperture of 96um

P. Crump, G. Blume, K. Paschke, R. Staske, A. Pietrzak, U. Zeimer, S. Einfeldt, A. Ginolas, F. Bugge, K. Häusler, P. Ressel, H. Wenzel, G. Erbert

Proceedings Volume 7198, 719814 (2009) https://doi.org/10.1117/12.807263

KEYWORDS: Continuous wave operation, Semiconductor lasers, Temperature metrology, Quantum wells, Waveguides, Broad area laser diodes, Resistance, Reliability, Fiber lasers

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Proceedings Article | 22 February 2006 Paper

High-efficient 650 nm laser bars with an output power of about 10 W and a wall-plug efficiency of 30%

Bernd Sumpf, Martin Zorn, Ralf Staske, Jörg Fricke, Peter Ressel, Götz Erbert, Markus Weyers, Günther Tränkle

Proceedings Volume 6133, 61330D (2006) https://doi.org/10.1117/12.644555

KEYWORDS: Semiconductor lasers, Quantum wells, High power lasers, Waveguides, Aluminium gallium indium phosphide, Indium gallium phosphide, Cladding, Laser damage threshold, Near field, Resonators

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Proceedings Article | 22 February 2006 Paper

Highly reliable 75W InGaAs/AlGaAs laser bars with over 70% conversion efficiency

Götz Erbert, Frank Bugge, Andrea Knigge, Ralf Staske, Bernd Sumpf, Hans Wenzel, Günther Tränkle

Proceedings Volume 6133, 61330B (2006) https://doi.org/10.1117/12.644718

KEYWORDS: Resistance, Resonators, Semiconductor lasers, Laser resonators, Waveguides, Reliability, Mirrors, Quantum wells, Reflectivity, Laser damage threshold

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Showing 5 of 9 publications

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