APPARATUS AND METHOD FOR MEASURING POLARIZATION DE

专利名称：APPARATUS AND METHOD FOR

MEASURING POLARIZATION DEPENDENTLOSS

发明人：MARRO, Marlene, A.,SCHMITT, William,

E.,SUMMA, Mark, A.,WILLIAMS, Gregory, E.

申请号：EP00939283.8申请日：20000407公开号：EP1173741A1公开日：20020123

摘要：An apparatus for measuring polarization dependent loss is disclosed featuringseveral fiber optic couplers combined in tandem and oriented such that the PDL noise ofthe measurement system is reduced to a negligible level. By matching the PDLs of thecouplers and vectorally subtracting opposite phases of polarization, the PDL of themeasurement system is virtually eliminated. Thus, the PDL noise floor is lowered to nearzero and the PDL of the optical device-under-test (DUT) can be accurately measured. Thesystem is relatively inexpensive to implement and offers needed versatility because itmeasures the PDL of optical devices that operate in a reflection mode or in a forwardtransmission mode. Thus, it provides one PDL measurement solution for both types ofdevices.

申请人：Corning Incorporated

地址：One Riverfront Plaza Corning, New York 14831 US

国籍：US

代理机构：Greene, Simon Kenneth

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