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应变对啁啾光栅特性影响的研究 被引量:4

Study on Strain Effect of Chirped FBG Characterization
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摘要 对光纤光栅在应力作用下光栅的中心波长、带宽、时延进行了研究,实验中发现光栅的中心波长、带宽随应力改变而呈线性变化,时延的线性度在光栅拉伸时变得更好,时延纹波减小,补偿量减小,光栅的反射率也减小。 The strain effect on fiber Bragg grating (FBG) wavelength, 3 dB bandwidth reflectivity and characterizatin of delay is experimentally studied. Change of the center wavelength and 3 dB bandwidth is linear with the strain, but the reflectivity decreases when the strain increases. Linearity of delay becomes better, root-mean-square deviation of delay ripple reduced and compensation lessens, when the strain increases.
出处 《中国激光》 EI CAS CSCD 北大核心 2002年第11期1011-1014,共4页 Chinese Journal of Lasers
基金 国家"863"项目(863-317-02-03-99) 国家自然科学基金(编号:69999610)资助项目 北方交通大学论文攀登基金资助项目
关键词 啁啾光栅 光纤光栅 中心波长 时延 线性调谐 应力 fiber Bragg grating, 3 dB bandwidth, center wavelength, delay, linear tuning
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参考文献9

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