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Analysis of divided-pulse amplification for high-energy extraction

 
: Kienel, Marco; Klenke, Arno; Hädrich, Steffen; Eidam, Tino; Limpert, Jens; Tünnermann, Andreas

:

Ramachandran, S. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber Lasers XI. Technology, Systems, and Applications : 3 - 6 February 2014, San Francisco, California, United States
Bellingham, WA: SPIE, 2014 (SPIE Proceedings 8961)
ISBN: 978-0-8194-9874-8
Paper 89610M
Conference "Fiber Lasers - Technology, Systems, and Applications" <11, 2014, San Francisco/Calif.>
English
Conference Paper
Fraunhofer IOF ()
fiber laser; coherent beam combining; ultrashort pulses

Abstract
Divided-pulse amplification employing passive coherent beam combining implementations causes a strong degradation in efficiency. In this contribution typical implementations are analyzed and a solution using an active stabilization system is presented. With this 380 fs pulses at 1.25 mJ corresponding to a peak power of 2.9 GW have been achieved demonstrating the potential of this approach.

: http://publica.fraunhofer.de/documents/N-283259.html