High-power Yb:YAG single-crystal fiber amplifiers for femtosecond lasers in cylindrical polarization | Zendy

Fabien Lesparre | Zendy; Jean Thomas Gomes | Zendy; Xavier Délen | Zendy; Igor Martial | Zendy; Julien Didierjean | Zendy; W. P. Pallmann | Zendy; Bojan Resan | Zendy; Michael Eckerle | Zendy; Thomas Graf | Zendy; Marwan Abdou Ahmed | Zendy; Frédéric Druon | Zendy; François Balembois | Zendy; Patrick Georges | Zendy

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High-power Yb:YAG single-crystal fiber amplifiers for femtosecond lasers in cylindrical polarization

Author(s) -

Fabien Lesparre,

Jean Thomas Gomes,

Xavier Délen,

Igor Martial,

Julien Didierjean,

W. P. Pallmann,

Bojan Resan,

Michael Eckerle,

Thomas Graf,

Marwan Abdou Ahmed,

Frédéric Druon,

François Balembois,

Patrick Georges

Publication year - 2015

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.40.002517

Subject(s) - materials science , optics , femtosecond , fiber laser , laser , polarization (electrochemistry) , amplifier , photonic crystal fiber , wavelength , ytterbium , linear polarization , polarization maintaining optical fiber , optoelectronics , optical fiber , doping , fiber optic sensor , physics , chemistry , cmos

We demonstrate a three-stage diode-pumped Yb:YAG single-crystal-fiber amplifier to generate femtosecond pulses at high average powers with linear or cylindrical (i.e., radial or azimuthal) polarization. At a repetition rate of 20 MHz, 750-fs pulses were obtained at an average power of 85 W in cylindrical polarization and at 100 W in linear polarization. The report includes investigations on the use of Yb:YAG single-crystal fibers with different length/doping ratio and the zero-phonon pumping at a wavelength of 969 nm in order to optimize the performance.

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