Accurate method for measuring the thermalcoefficient of groupbirefringence of polarization-maintaining fibers

PublishTime：2022-02-07

We present a method to accurately measure the group birefringence variation with temperature in high-birefringence polarization-maintaining (PM) fibers using a distributed polarization analyzer. By analyzing polarization cross-talk peaLs purposely induced at both ends of a PM fiber, the temperature coefiicienl of group birefringence can be accurately obtained. We confirm the theoretical prediction that Ihe group birefringence of PANDA and TIGER PM fibers decrease linearly with temperature from -40 °C lo 80°C, and find that the temperature coefficients are -5.9,3 x 10-7 °C_, and -5.29 x 10-7 °C_, for two types of PANDA fibers, and -5.36 x 10-7 for a TIGER fiber.

Brand of Product：	Advanced Photonix
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Product Category：	More
Application：	More
Data Type：	Technical Documentation More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
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Language：	English Chinese Chinese and English Japanese
Date of Creation：	2021/07/22
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Data Encoding：	No. 11
Data Size：	212 KB

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