{"title":"Theoretical models and comparison of three focus-error detection methods","authors":"Song Shen, D. Cui, Xiong Qian, Yongming Shu","doi":"10.1117/12.150660","DOIUrl":null,"url":null,"abstract":"Comparison of three common focus error detection methods is made on a unified theoretical background. New mathematical models are built up on physical optics. The compared items are theoretical optical gain, adjustment factors, etc., and the theoretical and experimental results are given.","PeriodicalId":212484,"journal":{"name":"Optical Storage and Information Data Storage","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical Storage and Information Data Storage","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.150660","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Comparison of three common focus error detection methods is made on a unified theoretical background. New mathematical models are built up on physical optics. The compared items are theoretical optical gain, adjustment factors, etc., and the theoretical and experimental results are given.
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