[多模光纤干涉特性与光纤耦合器研究]

【多模光纤干涉特性与光纤耦合器研究】.pdf浙江大学研究生学位论文用纸P Study on the Interference Characteristics of Multimode Optical Fiber and MMT Coupler WangWeiZhiI Dept.ofOpticalEngineering SupervisedbyProf.LongHuaiShen ABSTRACT Inthelatetenyears,opticalfibersensorshave shown their potential in physical sensing area.浙江大学研究生学位论文用纸P Theinterference characteristics of the fieldsfrom MMF have been studied on two respects,one is on phase andtheotherisonpolarization.Inordertodescribe the behaviors of the light travelled along a fiber,we examinedthesuperpositionofelectromagneticfields of all guided modes.浙江大学研究生学位论文用纸P verygood thermostabilityand relativesimplein pro- cessing.Wemade a trial in an optical fiber melting splice machinetofabricatetheY-typeMMFcouplers,thefibers werefusedbyelectricarcinhighvoltage.Becausethe limits of the machine in handling,we used a pre-prolong and splice method inst
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