4.7 Article

Active/passive Q-switching operation of 2 μm Tm, Ho:YAP laser with an acousto-optical Q-switch/MoS2 saturable absorber mirror

Journal

PHOTONICS RESEARCH
Volume 6, Issue 6, Pages 614-619

Publisher

CHINESE LASER PRESS
DOI: 10.1364/PRJ.6.000614

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Funding

  1. National Natural Science Foundation of China (NSFC) [61378029, 61775053, 51572053, 51777046]
  2. Science Foundation for Outstanding Youths of Heilongjiang Province [JC2016016]
  3. Science Foundation for Youths of Heilongjiang Province [QC2017078]

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The active/passive Q-switching operation of a 2 mu m a-cut Tm, Ho: YAP laser was experimentally demonstrated with an acousto-optical Q-switch/MoS2 saturable absorber mirror. The active Q-switch laser was operated for the first time, to the best of our knowledge, with an average output power of 12.3W and a maximum pulse energy of 10.3 mJ. The passive Q-switch laser was also the first acquired with an average output power of 3.3 W and per pulse energy of 23.31 mu J, and the beam quality factors of M-x(2) = 1.06 and M-y(2) = 1.06 were measured at the average output power of 2 W. (C) 2018 Chinese Laser Press

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