{"title":"激光束形状对差相位测量的影响","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":"{\"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}","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}
Effect of laser beam shape on differential-phase measurements
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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