Optical parametric mid-IR HgGa{sub 2}S{sub 4} oscillator pumped by a repetitively pulsed Nd:YAG laser

An efficient Q-switched optical parametric HgGa{sub 2}S{sub 4} crystal oscillator pumped by a Nd:YAG laser is developed. The oscillator can be continuously tuned in the region from 3.7 to 5.7 {mu}m. The average output power at 4 {mu}m was 67 mW for a pulse repetition rate of 20 Hz. The energy conver...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2007-04, Vol.37 (4)
Main Authors: Badikov, Valerii V, Don, A K, Mitin, Konstantin V, Seregin, Aleksandr M, Sinaiskii, V V, Shchebetova, N I, Shchetinkina, T A
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONVERSION
CRYSTALS
EFFICIENCY
ELECTRONIC EQUIPMENT
ENERGY CONVERSION
INFRARED SPECTRA
LASERS
NEODYMIUM LASERS
OSCILLATORS
PARAMETRIC OSCILLATORS
PULSES
SOLID STATE LASERS
SPECTRA
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Summary:An efficient Q-switched optical parametric HgGa{sub 2}S{sub 4} crystal oscillator pumped by a Nd:YAG laser is developed. The oscillator can be continuously tuned in the region from 3.7 to 5.7 {mu}m. The average output power at 4 {mu}m was 67 mW for a pulse repetition rate of 20 Hz. The energy conversion efficiency achieved 4.9%. (nonlinear optical phenomena)
ISSN:1063-7818
DOI:10.1070/QE2007V037N04ABEH013376