27 April 2016 Zero-phonon-line pumped cryogenic Yb:YAG passively Q-switched by Cr:YAG
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We present an efficient zero-phonon-line pumped cryogenic Yb:YAG laser passively Q-switched by Cr:YAG with different initial transmissions. At 140K, with 85% initial transmission of Cr:YAG, a maximum average output power of 5.19 W with a repetition rate of 24.7 kHz was achieved leading to a slope efficiency of 55.7%. The maximum pulse energy, minimum pulse width and peak output power obtained in this case were 0.21 mJ, 142 ns and 1.48 kW respectively.
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Venkatesan Jambunathan, Petr Navratil, Lucie Horackova, Antonio Lucianetti, Tomas Mocek, "Zero-phonon-line pumped cryogenic Yb:YAG passively Q-switched by Cr:YAG", Proc. SPIE 9893, Laser Sources and Applications III, 98930C (27 April 2016); doi: 10.1117/12.2225909; https://doi.org/10.1117/12.2225909

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