Experimental Investigation of Laser Damage Limit for ZPG Infrared Single Crystal Using Deep Magnetorheological Polishing of Working Surfaces-Reference-Cited by-同舟云学术

Experimental Investigation of Laser Damage Limit for ZPG Infrared Single Crystal Using Deep Magnetorheological Polishing of Working Surfaces

Published:2023-12-27 Issue:1 Volume:14 Page:32
ISSN:2073-4352
Container-title:Crystals
language:en
Short-container-title:Crystals

Author:

Yudin Nikolay N.¹²^ORCID,Khudoley Andrei³,Zinovev Mikhail¹²^ORCID,Slyunko Elena¹,Podzyvalov Sergey¹^ORCID,Kuznetsov Vladimir¹^ORCID,Gorodkin Gennady³,Kumeysha Pavel³,Lysenko Alexey¹,Kalsin Andrey¹,Gabdrakhmanov Akmal¹,Romanovskii Oleg A.²^ORCID,Kashevsky Sergey³,Baalbaki Houssain¹

Affiliation:

1. Scientific Educational Center “Optical and Photonic Technologies”, National Research Tomsk State University, 634050 Tomsk, Russia

2. Institute of Atmospheric Optics Siberian, Branch of the Russian Academy of Sciences, pl. Academician Zueva, 1, 634055 Tomsk, Russia

3. A.V. Luikov Heat and Mass Transfer Institute NASB, 220072 Minsk, Belarus

Abstract

Zinc germanium phosphide (ZGP) crystals have garnered significant attention for their nonlinear properties, making them good candidates for powerful mid-IR optical parametric oscillators and second-harmonic generators. A ZnGeP2 single crystal was treated by deep magnetorheological processing (MRP) until an Angstrom level of roughness. The studies presented in this article are devoted to the experimental evaluation of the influence of deep removal (up to 150 μm) from the surface of a ZnGeP2 single crystal by magnetorheological polishing on the parameters of optical breakdown. It was shown that the dependence of the ZnGeP2 laser-induced damage threshold on MRP depth is a smooth monotonically decreasing logarithmic function. The obtained logarithmic dependence indicates the thermal nature of optical breakdown and the dependence of the ZnGeP2 laser-induced damage threshold on the concentration of surface absorbing defects.

Funder

Ministry of Science and Higher Education of the Russian Federation

Publisher

MDPI AG

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science,General Chemical Engineering

Link

https://www.mdpi.com/2073-4352/14/1/32/pdf

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