Methods to Describe Optical Polarization State in Reflective Fiber Optic Current Sensor

Li Hui Wang; Xue Feng Wu; Jian Sun; Yu Ping Lu

doi:10.4028/www.scientific.net/AMM.44-47.2254

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Methods to Describe Optical Polarization State in...

Methods to Describe Optical Polarization State in Reflective Fiber Optic Current Sensor

Abstract:

Evolution process of optical polarization state in reflective fiber optic current sensor(R-FOCS) is complex, light wave travels from polarization maintaining (PM) fiber with linear polarization state, and light wave travels from sensing head with circular polarization state. Focused on characteristics of optical polarization state in R-FOCS, we analyze the characteristics of optical polarization state in R-FOCS, and demonstrate the methods to build optical polarization models by using Poincare sphere and Jones matrix respectively. Jones matrix provides a mathematically rigorous method of tracking optical polarization state, however, it often leads to a less intuitive description. Despite the mathematical complexity of some phenomena observed in R-FOCS, the Poincare sphere provides elegant and simple geometrical interpretations. The two methods are combined and offer both a mathematical representation and an intuitive interpretation of nonreciprocal polarization effects in R-FOCS.

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Applied Mechanics and Materials (Volumes 44-47)

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2254-2258

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.2254

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Online since:

December 2010

Authors:

Li Hui Wang, Xue Feng Wu, Jian Sun, Yu Ping Lu

Keywords:

Jones Matrix, Modeling, Optical Polarization State, Poincaré Sphere, Reflective Fiber Optic Current Sensor

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