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Compact RGBY light sources with high luminance for laser display applications

K. Paschke, G. Blume, N. Werner, A. Müller, B. Sumpf, J. Pohl, D. Feise, P. Ressel, A. Sahm, R. Bege, J. Hofmann, D. Jedrzejczyk, G. Tränkle

Published in:

Opt. Rev., vol. 25, no. 1, Laser Display and Lighting Conference (LDC'17), Yokohama, Japan, Apr. 19-21, pp. 149-159 (2018).

Abstract:

Watt-class visible laser light with a high luminance can be created with high-power GaAs-based lasers either directly in the red spectral region or using single-pass second harmonic generation (SHG) for the colors in the blue-yellow spectral region. The concepts and results of red- and near infrared-emitting distributed Bragg reflector tapered lasers and master oscillator power amplifier systems as well as their application for SHG bench-top experiments and miniaturized modules are presented. Examples of these high-luminance light sources aiming at different applications such as flying spot display or holographic 3D cinema are discussed in more detail. The semiconductor material allows an easy adaptation of the wavelength allowing techniques such as six-primary color 3D projection or color space enhancement by adding a fourth yellow color.

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany

Copyright © The Optical Society of Japan 2018. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from The Optical Society of Japan.

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