Repetitively pulsed TEA CO{sub 2} laser and its application for second harmonic generation in ZnGeP{sub 2} crystal

Experimental results are presented on the development of a radiation source emitting at a wavelength of 4.775 μm with a pulse energy up to 50 mJ and an average power up to several watts in short pulse trains. A TEA CO{sub 2} laser and a nonlinear converter based on a ZnGeP{sub 2} crystal, which are...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2015-10, Vol.45 (10)
Main Authors: Koval'chuk, L V, Grezev, A N, Niz'ev, V G, Yakunin, V P, Mezhevov, V S, Goryachkin, D A, Sergeev, V V, Kalintsev, A G
Format: Article
Language:English
Subjects:
CARBON DIOXIDE LASERS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CRYSTALS
GERMANIUM PHOSPHIDES
HARMONIC GENERATION
NONLINEAR PROBLEMS
PULSES
RADIATION SOURCES
ZINC PHOSPHIDES
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Summary:Experimental results are presented on the development of a radiation source emitting at a wavelength of 4.775 μm with a pulse energy up to 50 mJ and an average power up to several watts in short pulse trains. A TEA CO{sub 2} laser and a nonlinear converter based on a ZnGeP{sub 2} crystal, which are specially designed for these experiments, are described. The main limitations of nonlinear conversion and possible ways to overcome these limitations are considered. (lasers)
ISSN:1063-7818
DOI:10.1070/QE2015V045N10ABEH015648