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Opt Express. 2009 Jun 22;17(13):11155-60.

Nonlinear compression in a rod-type fiber for high energy ultrashort pulse generation.

Author information

  • 1Institut d'Optique, CNRS, Universit√© Paris-Sud, Palaiseau, France. igor.martial@institutoptique.fr

Abstract

We report the use of nonlinear compression in a very large mode-area rod-type photonic crystal fiber. This fiber allows the use of high energy pulses in the few microjoule range. We demonstrate the compression of 4 microJ, 338 fs pulses from a fiber chirped pulse amplification (FCPA) system down to 49 fs, 41 MW peak power pulses at a repetition rate of 200 kHz with an average power of 400 mW. The nonlinear compression setup is composed of a 5-cm-long rod-type fiber and a pair of SF10 prisms. The system was optimized to obtain good temporal quality, with a temporal Strehl ration of 86 % for the compressed 49 fs pulses.

PMID:
19550515
[PubMed - indexed for MEDLINE]
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