{"title":"Effect of laser beam shape on differential-phase measurements","authors":"Y. Pilgun, E. Smirnov","doi":"10.1109/CAOL.2010.5634221","DOIUrl":null,"url":null,"abstract":"Accuracy of differential-phase measurements depends on actual shape of laser beams formed by focusing optics. In present work two factors affecting beam profile are considered: aperture limiting and asymmetrical intensity irregularities. Ripples in measured signal are found to be caused by beam sidelobes. Asymmetry of beams leads to direction-dependent measurements.","PeriodicalId":254986,"journal":{"name":"2010 International Conference on Advanced Optoelectronics and Lasers","volume":"51 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 International Conference on Advanced Optoelectronics and Lasers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CAOL.2010.5634221","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Accuracy of differential-phase measurements depends on actual shape of laser beams formed by focusing optics. In present work two factors affecting beam profile are considered: aperture limiting and asymmetrical intensity irregularities. Ripples in measured signal are found to be caused by beam sidelobes. Asymmetry of beams leads to direction-dependent measurements.
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