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Simplification strategies for segmented-mirror splitters in multicore fiber CBC systems

: Aleshire, C.; Klenke, A.; Müller, M.; Stark, H.; Tünnermann, A.; Limpert, J.


Dong, L. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber Lasers XVII. Technology and Systems : 3-6 February 2020, San Francisco, California, United States
Bellingham, WA: SPIE, 2020 (Proceedings of SPIE 11260)
ISBN: 978-1-5106-3283-7
ISBN: 978-1-5106-3284-4
Paper 112600E, 6 pp.
Conference "Fiber Lasers - Technology and Systems" <17, 2020, San Francisco/Calif.>
Conference Paper
Fraunhofer IOF ()

A simplification of segmented-mirror splitters for coherent beam combination based on numerical optimization of coating designs is presented. The simplified designs may facilitate the production of such elements for coherent beam combination while maintaining high combination efficiency. The achievable efficiency and error tolerance, and additional performance characteristics are analyzed in the context of coherently combined multicore fiber laser systems.