M. M. Zinovev, V. S. Kuznetsov, N. N. Yudin, E. S. Slyunko, S. N. Podzyvalov, A. B. Lysenko, A. Yu. Kalsin, A. Sh. Gabdrakhmanov, D. V. Vlasov
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引用次数: 0
Abstract
The influence of the morphology and composition of thin films which form the structure of dielectric mirrors of optical cavities of coherent sources for lidars is studied. TiO2/SiO2 and ZnS/YbF3 dielectric mirrors were simulated in Optilayer software; their morphological features were determined with the use of electron and atomic force microscopy. Interference coating of the calculated structure was deposited onto a substrate by the ion-beam sputtering method. The Nd:YAG laser- (wavelength of 1064 nm) induced breakdown threshold was found to be 4 J/cm2 for a TiO2/SiO2 mirror and 3.2 J/cm2 for a ZnS/YbF3 mirror. The result can be useful for manufacturing dielectric mirrors with high optical breakdown thresholds for both sources and detectors of lidar systems.
期刊介绍：
Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.
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