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Coherently combined 16-channel multicore fiber laser system

 
: Klenke, A.; Müller, M.; Stark, H.; Stutzki, F.; Hupel, C.; Schreiber, T.; Tünnermann, A.; Limpert, J.

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Fulltext ()

Optics Letters 43 (2018), No.7, pp.1519-1522
ISSN: 0146-9592
English
Journal Article, Electronic Publication
Fraunhofer IOF ()

Abstract
We present a coherently combined laser amplifier with 16 channels from a multicore fiber in a proof-of-principle demonstration. Filled-aperture beam splitting and combination, together with temporal phasing, is realized in a compact and low-component-count setup. Combined average power of up to 70 W with 40 ps pulses is achieved with combination efficiencies around 80%.

: http://publica.fraunhofer.de/documents/N-524806.html