VISUALIZATION AND CHARACTERIZATION OF PREBREAKDOWN PROCESSES IN THE VOLUME OF A ZnGe[P.sub.2] SINGLE CRYSTAL DURING PARAMETRIC GENERATION OF RADIATION IN THE WAVELENGTH RANGE OF 3.5-5 WHEN PUMPED BY Ho:YAG LASER RADIATION

The energy characteristics and the results of visualization of processes occurring in the volume of a crystal recorded with a digital holographic camera have been studied. It is established that the parametric generation efficiency ceases to increase when the pump energy density exceeds 1 J/[cm.sup....

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Bibliographic Details
Published inRussian physics journal Vol. 65; no. 12; p. 2130
Main Authors Yudin, N.N, Vlasov, D.V, Antipov, O.L, Gribenyukov, A.I, Zinoviev, M.M, Podzyvalov, S.N, Slyunko, E.S, Yudin, N.A, Kulesh, M.M, Kuznetsov, V.S, Dyomin, V.V
Format Journal Article
LanguageEnglish
Published Springer 01.04.2023
Subjects
Laser beams
Lasers
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Summary:The energy characteristics and the results of visualization of processes occurring in the volume of a crystal recorded with a digital holographic camera have been studied. It is established that the parametric generation efficiency ceases to increase when the pump energy density exceeds 1 J/[cm.sup.2], and darkening of the laser radiation propagation channel in the crystal volume is observed. It is also shown that the transmission of laser radiation decreases when the energy densities exceed 1 J/[cm.sup.2]. Keywords: parametric radiation generation, ZnGe[P.sub.2], nonlinear crystals.
ISSN:1064-8887
DOI:10.1007/s11182-023-02881-9