E. Schmid, T. Oka, M. Shikai, H. Nakajima, K. Takashima, T. Usami
{"title":"All optical encoder using optical delay","authors":"E. Schmid, T. Oka, M. Shikai, H. Nakajima, K. Takashima, T. Usami","doi":"10.1109/SICE.1995.526654","DOIUrl":null,"url":null,"abstract":"A novel concept for an all optical absolute position encoder whose sensing unit uses only passive elements is presented. Optical delay fiber loops are used to multiplex sensing channels. The device can be interrogated from a distant location using a single optical fiber which can be several kilometers long. Absolute position encoding is achieved by analog modulation of light intensity with well studied multiple slit patterns.","PeriodicalId":344374,"journal":{"name":"SICE '95. Proceedings of the 34th SICE Annual Conference. International Session Papers","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"SICE '95. Proceedings of the 34th SICE Annual Conference. International Session Papers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SICE.1995.526654","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A novel concept for an all optical absolute position encoder whose sensing unit uses only passive elements is presented. Optical delay fiber loops are used to multiplex sensing channels. The device can be interrogated from a distant location using a single optical fiber which can be several kilometers long. Absolute position encoding is achieved by analog modulation of light intensity with well studied multiple slit patterns.
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