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Coherently-combined two channel femtosecond fiber CPA system producing 3 mJ pulse energy

: Klenke, A.; Seise, E.; Demmler, S.; Rothhardt, J.; Breitkopf, S.; Limpert, J.; Tünnermann, A.

Postprint (890 KByte; PDF; )

Optics Express 19 (2011), No.24, pp.24280-24285
ISSN: 1094-4087
Journal Article, Electronic Publication
Fraunhofer IOF ()

We present a fiber CPA system consisting of two coherently combined fiber amplifiers, which have been arranged in an actively stabilized Mach-Zehnder interferometer. Pulse durations as short as 470 fs and pulse energies of 3 mJ, corresponding to 5.4 GW of peak power, have been achieved at an average power of 30 W.