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VCSEL pumped VECSEL concept with compact design

 
: Herper, M.; Lee, A. van der; Kolb, J.; Gronenborn, S.; Moench, H.; Loosen, P.

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Electronics Letters 55 (2019), No.12, pp.705-707
ISSN: 0013-5194
English
Journal Article
Fraunhofer ILT ()

Abstract
The authors present a new compact optically pumped vertical externalcavity surface-emitting laser (OP-VECSEL), which consists of an optically pumped semiconductor chip surrounded by vertical-cavity surface-emitting laser (VCSEL) chips mounted together on one heat sink. This configuration allows to reach 10 W optical output power in single-mode operation with a very compact design. Furthermore, the authors reveal further improvements, which lead to a compact laser module with high power, highest beam quality and potentially low manufacturing costs.

: http://publica.fraunhofer.de/documents/N-558505.html