{"title":"使用液晶电视和计算机生成的全息图进行复杂的波前操作","authors":"L. Neto, D. Roberge, Y. Sheng","doi":"10.1109/CYBVIS.1996.629447","DOIUrl":null,"url":null,"abstract":"We demonstrate a spatial light modulator (SLM) that provides a complex wave front manipulation using commercially available liquid-crystal televisions (LCTV). A simple wedged shear plate interferometer is proposed for in situ measurement of the phase modulation and the operating curve of this SLM. We obtain the continuous complex amplitude modulation using two cascaded LCTV's. A look-up table encoding method is proposed for compensating effects of the phase amplitude coupling and the nonlinearity in the two LCTV's. A complex amplitude 2D grating is used for testing the optical complex amplitude modulation.","PeriodicalId":103287,"journal":{"name":"Proceedings II Workshop on Cybernetic Vision","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Complex wave front manipulation using liquid crystal televisions and computer-generated holograms\",\"authors\":\"L. Neto, D. Roberge, Y. Sheng\",\"doi\":\"10.1109/CYBVIS.1996.629447\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We demonstrate a spatial light modulator (SLM) that provides a complex wave front manipulation using commercially available liquid-crystal televisions (LCTV). A simple wedged shear plate interferometer is proposed for in situ measurement of the phase modulation and the operating curve of this SLM. We obtain the continuous complex amplitude modulation using two cascaded LCTV's. A look-up table encoding method is proposed for compensating effects of the phase amplitude coupling and the nonlinearity in the two LCTV's. A complex amplitude 2D grating is used for testing the optical complex amplitude modulation.\",\"PeriodicalId\":103287,\"journal\":{\"name\":\"Proceedings II Workshop on Cybernetic Vision\",\"volume\":\"22 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-12-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings II Workshop on Cybernetic Vision\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CYBVIS.1996.629447\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings II Workshop on Cybernetic Vision","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CYBVIS.1996.629447","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Complex wave front manipulation using liquid crystal televisions and computer-generated holograms
We demonstrate a spatial light modulator (SLM) that provides a complex wave front manipulation using commercially available liquid-crystal televisions (LCTV). A simple wedged shear plate interferometer is proposed for in situ measurement of the phase modulation and the operating curve of this SLM. We obtain the continuous complex amplitude modulation using two cascaded LCTV's. A look-up table encoding method is proposed for compensating effects of the phase amplitude coupling and the nonlinearity in the two LCTV's. A complex amplitude 2D grating is used for testing the optical complex amplitude modulation.
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