N. Veerabagu Suresh, R.C. Sarasvathi, Haresh M. Pandya, K.B. Rajesh
{"title":"Generation of multiple focal hole segment by tight focusing of azimuthally polarized double ring shaped beam","authors":"N. Veerabagu Suresh, R.C. Sarasvathi, Haresh M. Pandya, K.B. Rajesh","doi":"10.13074/jent.2013.02.nciset36","DOIUrl":null,"url":null,"abstract":"Based on the vector diffraction theory, the effect of phase modulation on the intensity distribution of TEM11 mode azimuthally polarized Laguerre-Gaussian beam in the focal region of high NA lens is investigated theoretically. It is observed that a properly designed complex phase filter can generate multiple focal hole segment and it is useful for the manipulation of optical traps.","PeriodicalId":36296,"journal":{"name":"Journal of Water and Environmental Nanotechnology","volume":"18 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Water and Environmental Nanotechnology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.13074/jent.2013.02.nciset36","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Materials Science","Score":null,"Total":0}
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Abstract
Based on the vector diffraction theory, the effect of phase modulation on the intensity distribution of TEM11 mode azimuthally polarized Laguerre-Gaussian beam in the focal region of high NA lens is investigated theoretically. It is observed that a properly designed complex phase filter can generate multiple focal hole segment and it is useful for the manipulation of optical traps.
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