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Analysis of passively combined divided-pulse amplification as an energy-scaling concept

 
: Kienel, Marco; Klenke, Arno; Eidam, Tino; Baumgartl, Martin; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas

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Postprint (PDF; )

Optics Express 21 (2013), No.23, pp.29031-29042
ISSN: 1094-4087
English
Journal Article, Electronic Publication
Fraunhofer IOF ()

Abstract
The energy scaling of ultrashort-pulse systems employing simultaneously the techniques of chirped-pulse amplification and passively combined divided-pulse amplification is analyzed both experimentally and numerically. The maximum achievable efficiency is investigated and fundamental limitations originating from gain saturation, self-phase modulation and depolarization are discussed. A solution to these limitations could be an active stabilization scheme, which would allow for the operation of every single fiber amplifier at higher pulse energies.

: http://publica.fraunhofer.de/documents/N-267126.html