18 February 2009 Drastically reducing circular birefringence induced depolarization in pre-temperature compensation design in high power Faraday isolators
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Abstract
A new Pre-Temperature compensation design of Faraday isolators is proposed, for the first time to our knowledge. And depolarization induced by linear birefringence and circular birefringence in this kind of Faraday Isolator is investigated. For compare, depolarization in conventional Faraday isolators is also given. The results show that depolarization induced by linear birefringence has no difference between conventional design and compensation design of isolators, and depolarization induced by circular birefringence in Pre-Temperature compensation design is greatly reduced, which becomes beam-radius-independent, and can be neglected when compared to depolarization induced by linear birefringence.
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Tingwu Ge, Dan Lu, Jian Wu, Kun Xu, Xiaobin Hong, Yong Zuo, Jintong Lin, "Drastically reducing circular birefringence induced depolarization in pre-temperature compensation design in high power Faraday isolators", Proc. SPIE 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications, 72761O (18 February 2009); doi: 10.1117/12.821166; https://doi.org/10.1117/12.821166
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