{"title":"Simulation of Return Flux of Sodium LGS Generated by Polarized Light for Astronomical Observatories of the North Caucasus","authors":"L. A. Bolbasova, S. A. Ermakov, V. P. Lukin","doi":"10.1134/S1024856024010056","DOIUrl":null,"url":null,"abstract":"<p>Results of numerical simulation of the return flux from a sodium laser guide star for atmospheric conditions of astronomical observatories of the North Caucasus are presented. The simulation is performed in accordance with modern concepts of the physics of the interaction of polarized laser radiation with mesospheric sodium atoms. Two cases of producing an artificial reference source by laser radiation, with circular and linear polarizations, are considered. The limitations of the photon flux due to the saturation effect are estimated.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Atmospheric and Oceanic Optics","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1134/S1024856024010056","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"OPTICS","Score":null,"Total":0}
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Abstract
Results of numerical simulation of the return flux from a sodium laser guide star for atmospheric conditions of astronomical observatories of the North Caucasus are presented. The simulation is performed in accordance with modern concepts of the physics of the interaction of polarized laser radiation with mesospheric sodium atoms. Two cases of producing an artificial reference source by laser radiation, with circular and linear polarizations, are considered. The limitations of the photon flux due to the saturation effect are estimated.
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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