{"title":"MEMS Alvarez透镜的对准公差","authors":"Yongchao Zou, Guangya Zhou, Y. Du, F. Chau","doi":"10.1109/OMN.2013.6659043","DOIUrl":null,"url":null,"abstract":"Characteristics and alignment tolerances of a MEMS Alvarez lens are studied. Results show that the lens can adjust its focal length substantially with small lateral displacements of its constituent elements along the x axis. Meanwhile, it is also revealed that the lens performance degrades with the increasing displacements. The lens is most sensitive to the misalignment along the y direction. Normalized RMS spot radius (NRSR) rises from 1 to 10 with a misalignment of 0.1 mm in this direction. In addition, a tilt of 1 degree about the x, y or z axis leads to a NRSR change from 0.96 to 1.02, 0.92, and 1.28, respectively.","PeriodicalId":6334,"journal":{"name":"2013 International Conference on Optical MEMS and Nanophotonics (OMN)","volume":"36 1","pages":"29-30"},"PeriodicalIF":0.0000,"publicationDate":"2013-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Alignment tolerances of MEMS Alvarez lenses\",\"authors\":\"Yongchao Zou, Guangya Zhou, Y. Du, F. Chau\",\"doi\":\"10.1109/OMN.2013.6659043\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Characteristics and alignment tolerances of a MEMS Alvarez lens are studied. Results show that the lens can adjust its focal length substantially with small lateral displacements of its constituent elements along the x axis. Meanwhile, it is also revealed that the lens performance degrades with the increasing displacements. The lens is most sensitive to the misalignment along the y direction. Normalized RMS spot radius (NRSR) rises from 1 to 10 with a misalignment of 0.1 mm in this direction. In addition, a tilt of 1 degree about the x, y or z axis leads to a NRSR change from 0.96 to 1.02, 0.92, and 1.28, respectively.\",\"PeriodicalId\":6334,\"journal\":{\"name\":\"2013 International Conference on Optical MEMS and Nanophotonics (OMN)\",\"volume\":\"36 1\",\"pages\":\"29-30\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-11-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 International Conference on Optical MEMS and Nanophotonics (OMN)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/OMN.2013.6659043\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 International Conference on Optical MEMS and Nanophotonics (OMN)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OMN.2013.6659043","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Characteristics and alignment tolerances of a MEMS Alvarez lens are studied. Results show that the lens can adjust its focal length substantially with small lateral displacements of its constituent elements along the x axis. Meanwhile, it is also revealed that the lens performance degrades with the increasing displacements. The lens is most sensitive to the misalignment along the y direction. Normalized RMS spot radius (NRSR) rises from 1 to 10 with a misalignment of 0.1 mm in this direction. In addition, a tilt of 1 degree about the x, y or z axis leads to a NRSR change from 0.96 to 1.02, 0.92, and 1.28, respectively.
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