Prof. Christian Pfahler Profile

Prof. Christian Pfahler

at Fraunhofer IAF

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 22 February 2006 Paper

High-power diode laser arrays emitting at 2 µm with reduced far-field angle

Márc Kelemen, Marcel Rattunde, Jürgen Weber, Christian Pfahler, Gudrun Kaufel, Rudolf Moritz, Johannes Schmitz, Michael Mikulla, Joachim Wagner

Proceedings Volume 6133, 613316 (2006) https://doi.org/10.1117/12.645603

KEYWORDS: Waveguides, Semiconductor lasers, Continuous wave operation, Lab on a chip, Gallium antimonide, Cladding, Quantum wells, High power lasers, Laser therapeutics, Temperature metrology

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Proceedings Article | 25 March 2005 Paper

(AlGaIn)(AsSb) quantum well diode lasers with improved beam quality

Joachim Wagner, Eva Geerlings, Gudrun Kaufel, Marc Keleman, Christian Manz, Christian Pfahler, Marcel Rattunde, Johannes Schmitz

Proceedings Volume 5732, (2005) https://doi.org/10.1117/12.606623

KEYWORDS: Semiconductor lasers, Waveguides, Waveguide lasers, Quantum wells, Continuous wave operation, Resonators, Laser development, Optical fibers, Cladding

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Proceedings Article | 1 September 2004 Paper

Astigmatism and beam quality of high-brightness tapered diode lasers

Marc Kelemen, Juergen Weber, Senta Kallenbach, Christian Pfahler, Michael Mikulla, Guenter Weimann

Proceedings Volume 5452, (2004) https://doi.org/10.1117/12.545221

KEYWORDS: Semiconductor lasers, Monochromatic aberrations, Heatsinks, Resonators, Resistance, Temperature metrology, Quantum wells, Continuous wave operation, Beam propagation method, Optical simulations

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Proceedings Article | 1 July 2003 Paper

Trap centers and minority carrier lifetimes in InAs/(GaIn)Sb superlattice long wavelength photodetectors

Quankui Yang, C. Pfahler, J. Schmitz, Wilfried Pletschen, Frank Fuchs

Proceedings Volume 4999, (2003) https://doi.org/10.1117/12.479548

KEYWORDS: Superlattices, Photodiodes, Temperature metrology, Diffusion, Electroluminescence, Photodetectors, Diodes, Stereolithography, Solids, Resistance

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