{"title":"Focusing Characteristics of Chirped Hologram Gratings Written in Polymer Dispersed Liquid Crystals (PDLC)","authors":"T. Baghdasaryan, A. Galstyan, R. Hakobyan","doi":"10.1109/ICTON.2007.4296398","DOIUrl":null,"url":null,"abstract":"The focusing property of thick chirped hologram PDLC gratings is investigated theoretically. Focal length's formula for linearly chirped gratings is obtained by using Bragg condition. Diffraction efficiency dependence on incident angle in focus point is calculated numerically and enhanced bandwidth is observed.","PeriodicalId":265478,"journal":{"name":"2007 9th International Conference on Transparent Optical Networks","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 9th International Conference on Transparent Optical Networks","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICTON.2007.4296398","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
The focusing property of thick chirped hologram PDLC gratings is investigated theoretically. Focal length's formula for linearly chirped gratings is obtained by using Bragg condition. Diffraction efficiency dependence on incident angle in focus point is calculated numerically and enhanced bandwidth is observed.
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