Dr. Christopher Wiesmann Profile

Dr. Christopher Wiesmann

at OSRAM AG

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Author

Publications (5)

Proceedings Article | 4 March 2019 Presentation

System architecture of LED: today and tomorrow

Alexander Linkov, Rainer Butendeich, Sandra Sobczyk, Wee Jin Yeap , Ee Lian Jack Lee, Olivier Leray, Christopher Wiesmann, Jun Jun Lim

Proceedings Volume 10940, 109400N (2019) https://doi.org/10.1117/12.2509956

KEYWORDS: Light emitting diodes, Complex systems, Thermography, General lighting, Light sources and illumination

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Proceedings Article | 18 December 2012 Paper

Estimating the performance of remote phosphor SSL devices by simulations

Ch. Wiesmann, A. Linkov, J. Muschaweck

Proceedings Volume 8550, 85502G (2012) https://doi.org/10.1117/12.2001607

KEYWORDS: Silicon, Solid state lighting, Refractive index, Light scattering, Glasses, Particles, Absorption, Semiconductors, Thermography, Scattering

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Proceedings Article | 11 October 2012 Paper

Optimization of LED-based non-imaging optics with orthogonal polynomial shapes

Peter Brick, Christopher Wiesmann

Proceedings Volume 8485, 84850F (2012) https://doi.org/10.1117/12.928924

KEYWORDS: Light emitting diodes, Nonimaging optics, Semiconductors, Testing and analysis, Optimization (mathematics), Silver, Reflection, Geometrical optics, Tolerancing, Numerical analysis

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Proceedings Article | 3 February 2009 Paper

Beam-shaping properties of InGaN thin-film micro-cavity light-emitting diodes with photonic crystals

K. Bergenek, Ch. Wiesmann, H. Zull, C. Rumbolz, R. Wirth, N. Linder, K. Streubel, T. Krauss

Proceedings Volume 7231, 72310C (2009) https://doi.org/10.1117/12.807617

KEYWORDS: Light emitting diodes, Diffraction, Gallium nitride, Photonic crystals, Thin films, Indium gallium nitride, Mirrors, Waveguides, Absorption, Reflectivity

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Proceedings Article | 21 April 2008 Paper

Analysis of the emission characteristics of photonic crystal LEDs

Ch. Wiesmann, K. Bergenek, N. Linder, U. Schwarz

Proceedings Volume 6989, 69890L (2008) https://doi.org/10.1117/12.780572

KEYWORDS: Light emitting diodes, Diffraction, Finite-difference time-domain method, Photonic crystals, Indium gallium nitride, Refractive index, Semiconductors, Interfaces, Solids, Mirrors

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