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Coherently combined fiber CPA system delivering 3-mJ femtosecond pulses

 
: Klenke, Arno; Seise, Enrico; Demmler, Stefan; Rothhardt, Jan; Breitkopf, Sven; Limpert, Jens; Tünnermann, Andreas

:

Honea, Eric C. (Ed.) ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber Lasers IX: Technology, Systems, and Applications : San Francisco, California, USA, January 2012
Bellingham, WA: SPIE, 2012 (Proceedings of SPIE 8237)
ISBN: 978-0-8194-8880-0
Paper 823708
Conference "Fiber Lasers - Technology, Systems, and Applications" <9, 2012, San Francisco/Calif.>
English
Conference Paper
Fraunhofer IOF ()
fiber laser; coherent beam combining; ultrashort pulse

Abstract
The coherent combining of ultrashort pulses is a concept for scaling the pulse energy and average power of laser systems emitting ultrashort pulses. In this contribution the experimental results of a coherently combined femtosecond fiber CPA laser system consisting of 2 amplifiers is presented. Combining efficiencies as high as 89% and compressed pulse energies of up to 3mJ were achieved. Additionally, the system showed excellent long-term stability.

: http://publica.fraunhofer.de/documents/N-195700.html