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KYW crystal as a new material for acousto-optical Q-switches
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Paper Abstract

We designed a high-efficient acousto-optic Q-switch based on a potassium yttrium tungstate crystal (KY(WO4)2), or KYW. Isotropic acousto-optic interaction along NmNg plane of dielectric axes of the crystal was used. The Q-switch operated at the wavelength of 2.1 μm of a Ho:YAG laser with the diffraction efficiency over 60% at the RF driving power of 20 W. No laser damage of the crystal with antireflection coatings was observed at 12 J/cm2 fluence for nanosecond pulses.

Paper Details

Date Published: 4 March 2019
PDF: 5 pages
Proc. SPIE 10899, Components and Packaging for Laser Systems V, 1089913 (4 March 2019); doi: 10.1117/12.2503776
Show Author Affiliations
Konstantin B. Yushkov, National Univ. of Science and Technology "MISiS" (Russian Federation)
Alexander I. Chizhikov, National Univ. of Science and Technology "MISIS" (Russian Federation)
Natalya F. Naumenko, National Univ. of Science and Technology "MISIS" (Russian Federation)
Vladimir Ya. Molchanov, National Univ. of Science and Technology "MISiS" (Russian Federation)
Anatoly A. Pavlyuk, Institute of Inorganic Chemistry (Russian Federation)
Elena V. Makarevskaya, Elitron Ltd. (Russian Federation)
Nikita G. Zakharov, Russian Federal Nuclear Ctr. (Russian Federation)


Published in SPIE Proceedings Vol. 10899:
Components and Packaging for Laser Systems V
Alexei L. Glebov; Paul O. Leisher, Editor(s)

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