{"title":"含光环路器的edfa光放大器传输系统中的OTDR","authors":"Y. Sato, S. Nishi, K. Aoyama","doi":"10.1364/oaa.1991.fe1","DOIUrl":null,"url":null,"abstract":"Optical time domain reflectometry (OTDR) is an effective technique for locating breaks and for determining the loss distribution along a fiber [1][2]. However, OTDR can not be used with optical transmission lines containing traditional Er-doped fiber amplifiers (EDFAs) because EDFAs require optical isolators to eliminate signal reflection [3]-[5]. The returning backscattered light generated by the forward traveling probe pulse is blocked by optical isolators in each EDFA.","PeriodicalId":308628,"journal":{"name":"Optical Amplifiers and Their Applications","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"OTDR in Optical Amplifier Transmission Systems Using EDFAs Containing Optical Circulators\",\"authors\":\"Y. Sato, S. Nishi, K. Aoyama\",\"doi\":\"10.1364/oaa.1991.fe1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Optical time domain reflectometry (OTDR) is an effective technique for locating breaks and for determining the loss distribution along a fiber [1][2]. However, OTDR can not be used with optical transmission lines containing traditional Er-doped fiber amplifiers (EDFAs) because EDFAs require optical isolators to eliminate signal reflection [3]-[5]. The returning backscattered light generated by the forward traveling probe pulse is blocked by optical isolators in each EDFA.\",\"PeriodicalId\":308628,\"journal\":{\"name\":\"Optical Amplifiers and Their Applications\",\"volume\":\"23 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Optical Amplifiers and Their Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1364/oaa.1991.fe1\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical Amplifiers and Their Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/oaa.1991.fe1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
OTDR in Optical Amplifier Transmission Systems Using EDFAs Containing Optical Circulators
Optical time domain reflectometry (OTDR) is an effective technique for locating breaks and for determining the loss distribution along a fiber [1][2]. However, OTDR can not be used with optical transmission lines containing traditional Er-doped fiber amplifiers (EDFAs) because EDFAs require optical isolators to eliminate signal reflection [3]-[5]. The returning backscattered light generated by the forward traveling probe pulse is blocked by optical isolators in each EDFA.
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