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Updated: Jun 27, 2026
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Highly efficient, narrow-linewidth, and single-frequency actively and passively Q-switched fiber-bulk hybrid Er:YAG
Igor S Moskalev1, Vladimir V Fedorov, Valentin P Gapontsev
1UAB Department of Physics, 310 Campbell Hall, 1300 University Blvd., Birmingham, AL 35294, USA. moskalev@uab.edu
Abstract:
High power, highly efficient single frequency oscillation of Er:YAG fiber-bulk hybrid laser at 1645 nm is demonstrated in actively and passively Q-switched operation modes. The slope efficiencies in the active and passive Q-switched operation reached 75% and 20%, respectively, with the record output powers in the narrow-linewidth and single longitudinal mode regimes of operation.
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