{"title":"Spatially-Incoherent Lensless Imaging of Extended Objects Using Speckle Correlations and Ptychography","authors":"D. Gardner, Shawn Divitt, A. Watnik","doi":"10.1364/COSI.2019.CW3A.2","DOIUrl":null,"url":null,"abstract":"We image extended samples using speckle correlations. To enable this advance, we collected several speckle patterns from a sample while it is raster-scanned through the pseudothermal illumination and use ptychography to reconstruct an image.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/COSI.2019.CW3A.2","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
We image extended samples using speckle correlations. To enable this advance, we collected several speckle patterns from a sample while it is raster-scanned through the pseudothermal illumination and use ptychography to reconstruct an image.
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