Optical breakdown threshold of nonlinear GaSe and GaSe:In crystals at a wavelength of 2.1 microns

N. N. Yudin; M. M. Zinovev; A. S. Olshukov; A. Yu. Davydova

doi:10.1117/12.2644975

7 December 2022 Optical breakdown threshold of nonlinear GaSe and GaSe:In crystals at a wavelength of 2.1 microns

N. N. Yudin, M. M. Zinovev, A. S. Olshukov, A. Yu. Davydova

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123413N (2022) https://doi.org/10.1117/12.2644975
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

The paper defines the laser-induced damage threshold from the fluence and the peak power of GaSe and GaSe:In single crystals upon exposure to nanosecond radiation in the two-micron range and assesses the influence of test radiation energy parameters (pulse repetition rate, pulse duration) on the damage threshold. Laser-induced damage threshold was determined with the parameters of the incident radiation close to the pump radiation parameters of promising dual-wavelength optical parametric oscillators (effective pump sources for THz difference frequency oscillators): wavelength is ~ 2.1 μm, pulse repetition rate is 12 and 20 kHz, pulse duration is 18-22 ns.

Citation Download Citation

N. N. Yudin, M. M. Zinovev, A. S. Olshukov, and A. Yu. Davydova "Optical breakdown threshold of nonlinear GaSe and GaSe:In crystals at a wavelength of 2.1 microns", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123413N (7 December 2022); https://doi.org/10.1117/12.2644975

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