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

Physics

Journal of Lasers, Optics & Photonics

Author(s): Hdrich S, Rothhardt J, Eidam T, Limpert J, Tnnermann A

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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.
This article was published in Opt Express and referenced in Journal of Lasers, Optics & Photonics

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