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Opt Express. 2009 Mar 2;17(5):3913-22.

High energy ultrashort pulses via hollow fiber compression of a fiber chirped pulse amplification system.

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1
Friedrich Schiller University Jena, Institute of Applied Physics, Albert-Einstein-Str. 15,07745 Jena, Germany. haedrich@iap.uni-jena.de

Abstract

A simple, robust and compact pulse compressor for a high-repetition rate high-peak power fiber chirped pulse amplification system is presented. We use noble-gas-filled hollow fibers for spectral broadening of the optical pulses via self-phase modulation. Subsequent compression with chirped mirrors shortens the pulses by more than a factor of 10. Pulses shorter than 70 fs with pulse energies of the order of 100 mu J have been obtained resulting in a peak power up to 1 GW at 30.3kHz. Additionally, nonlinear polarization rotation has been used for temporal pulse cleaning during the nonlinear compression at 30.3 kHz and 100 kHz, respectively.

PMID:
19259232
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