Temperature dependence of the optical strength of a ZnGeP2 single crystal

M. M. Zinovev; N. N Yudin; I. O. Dorofeev; S. N. Podzyvalov; E. S. Slyunko

doi:10.1117/12.2645055

7 December 2022 Temperature dependence of the optical strength of a ZnGeP₂ single crystal

M. M. Zinovev, N. N Yudin, I. O. Dorofeev, S. N. Podzyvalov, E. S. Slyunko

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123413T (2022) https://doi.org/10.1117/12.2645055
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

The paper shows an increase in the threshold energy density of laser radiation at a wavelength of 2091 nm as the temperature decreases from 0º С to -60º С until the optical breakdown of a ZnGeP₂ (ZGP) single crystal sample is reached. With a decrease in temperature from 0º to -60º C, a sharp increase in the threshold energy density is observed from 1.6 to 2.6 J/cm², with a laser beam diameter of 270 μm, and from 3.2 to 10.2 J/cm² with a diameter of 100 μm (by 1.5 and 3 times, respectively).

Citation Download Citation

M. M. Zinovev, N. N Yudin, I. O. Dorofeev, S. N. Podzyvalov, and E. S. Slyunko "Temperature dependence of the optical strength of a ZnGeP₂ single crystal", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123413T (7 December 2022); https://doi.org/10.1117/12.2645055

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