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20 February 2015 High-power Yb:YAG single-crystal fiber amplifiers for femtosecond lasers
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Abstract
We describe a multi-stages single crystal fiber (SCF) amplifier for the amplification of femtosecond pulses with radial or azimuthal polarization in view of high speed material processing (surface structuring, drilling). We demonstrate a three stages diode-pumped Yb:YAG single crystal fiber amplifier to achieve femtosecond pulses at an average power of 85W at 20 MHz in radial and azimuthal polarization.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fabien Lesparre, Igor Martial, Julien Didierjean, Jean Thomas Gomes, Wolfgang Pallmann, Bojan Resan, André Loescher, Jan-Phillipp Negel, Thomas Graf, Marwan Abdou Ahmed, François Balembois, and Patrick Georges "High-power Yb:YAG single-crystal fiber amplifiers for femtosecond lasers", Proc. SPIE 9342, Solid State Lasers XXIV: Technology and Devices, 934203 (20 February 2015); https://doi.org/10.1117/12.2079045
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