{"title":"用于高对比度近红外成像的超薄数码相机","authors":"Kisoo Kim, Kyung-Won Jang, Sang‐In Bae, K. Jeong","doi":"10.1109/OMN.2019.8925116","DOIUrl":null,"url":null,"abstract":"We report an ultrathin digital camera having a monolithic light blocking structure for high-contrast NIR imaging. This ultrathin camera features inverted microlens arrays (MLAs), light blocking layers composed of metal and black photoresist, spacers and an image sensor. The imaging results through the camera with the light blocking structure showed that the MTF 50 was enhanced about twice and the Michelson contrast increased about 4 times than the value without the layers. Imaging for counterfeit bill discrimination was successfully performed using the ultrathin digital camera. This ultrathin camera can offer a new opportunity in the field of surveillance, and biomedical imaging.","PeriodicalId":353010,"journal":{"name":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Ultrathin digital camera for high-contrast NIR imaging\",\"authors\":\"Kisoo Kim, Kyung-Won Jang, Sang‐In Bae, K. Jeong\",\"doi\":\"10.1109/OMN.2019.8925116\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We report an ultrathin digital camera having a monolithic light blocking structure for high-contrast NIR imaging. This ultrathin camera features inverted microlens arrays (MLAs), light blocking layers composed of metal and black photoresist, spacers and an image sensor. The imaging results through the camera with the light blocking structure showed that the MTF 50 was enhanced about twice and the Michelson contrast increased about 4 times than the value without the layers. Imaging for counterfeit bill discrimination was successfully performed using the ultrathin digital camera. This ultrathin camera can offer a new opportunity in the field of surveillance, and biomedical imaging.\",\"PeriodicalId\":353010,\"journal\":{\"name\":\"2019 International Conference on Optical MEMS and Nanophotonics (OMN)\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 International Conference on Optical MEMS and Nanophotonics (OMN)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/OMN.2019.8925116\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 International Conference on Optical MEMS and Nanophotonics (OMN)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OMN.2019.8925116","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Ultrathin digital camera for high-contrast NIR imaging
We report an ultrathin digital camera having a monolithic light blocking structure for high-contrast NIR imaging. This ultrathin camera features inverted microlens arrays (MLAs), light blocking layers composed of metal and black photoresist, spacers and an image sensor. The imaging results through the camera with the light blocking structure showed that the MTF 50 was enhanced about twice and the Michelson contrast increased about 4 times than the value without the layers. Imaging for counterfeit bill discrimination was successfully performed using the ultrathin digital camera. This ultrathin camera can offer a new opportunity in the field of surveillance, and biomedical imaging.
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