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专利名称：Measurement of polarization dependent
loss in an optical transmission system
发明人：Roberts, Kim B,Bordogna, Giuseppe G,Jamal,
Riyaz R.,McGhan, Douglas D.,O'Sullivan,Maurice S.
申请号：EP02255917.3申请日：20020827公开号：EP12174A2公开日：20030305
专利附图：
摘要：A method and system enables measurement of polarization dependent loss
(PDL) in an optical communications system including a plurality of cascaded opticalcomponents. An optical signal having a predetermined initial polarization state islaunched into the optical communications system. A polarization state of the signal isdetected at a selected detection point downstream of the launch point. The PDE isevaluated using the predetermined initial polarization state and the detectedpolarization state.
申请人：Nortel Networks Limited
地址：2351 Boulevard Alfred-Nobel St. Laurent, Quebec H4S 2A9 CA
国籍：CA
代理机构：Bewley, Ewan Stuart
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