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对啁啾光纤光栅的偏振模色散模型进行了研究,并实验观察了均匀光纤光栅由于弯曲而引起反射波长的移动,由此对弯曲的啁啾光纤光栅产生的偏振模色散进行了估算,结果表明,啁啾光纤光栅由于弯曲而产生的偏振模色散群时延差可以忽略不计。
The polarization mode dispersion model of chirped fiber gratings is studied. The wavelength shift of the uniform fiber gratings caused by bending is experimentally observed, and the polarization mode dispersion generated by the curved chirped fiber gratings is estimated. The results show that , The chirped fiber grating due to bending polarization mode dispersion group delay difference can be neglected.