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首页> 外文期刊>The Journal of the Textile Institute. Part 3, Technologies for a New Century >Prediction of Polarisation Behaviour of Twisted Optical Fibres Containing Bragg Grating Sensors
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Prediction of Polarisation Behaviour of Twisted Optical Fibres Containing Bragg Grating Sensors

机译：含布拉格光栅传感器的扭曲光纤的偏振行为预测

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摘要

A new theoretical method is presented for the prediction of the polarisation behaviour of a twisted single mode optical fibre containing Bragg grating sensor, which is treated as a series of polarisation wave plates. The birefringence induced by UV irradiation during the sensor fabrication and that caused by twisting of the fibre and Bragg grating are considered. The numeric calculations have been carried out for Ge-doped silica single mode fibres containing Bragg gratings. The simulated results of circular birefringence for twisted single mode optical fibres are in agreement with previous known theoretical results. Influencing factors under investigation are the position of the grating, the UV irradiation induced birefringence, addition of single mode fibre segments, and the initial polarisation states of the incident light.
机译：提出了一种新的理论方法来预测包含布拉格光栅传感器的扭曲单模光纤的偏振特性，该传感器被视为一系列偏振波片。考虑了在传感器制造期间由紫外线辐射引起的双折射以及由光纤和布拉格光栅的扭曲引起的双折射。已经对包含布拉格光栅的掺Ge的二氧化硅单模光纤进行了数值计算。扭曲单模光纤的圆形双折射的模拟结果与先前已知的理论结果一致。正在研究的影响因素是光栅的位置，紫外线辐射引起的双折射，添加的单模光纤段以及入射光的初始偏振态。

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