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应力长周期光纤光栅透射谱中旁瓣的抑制 被引量：1

Sidelobe Suppresion of Mechanically-induced Long-period Fiber Gratings
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摘要 提出一种优化应力长周期光纤光栅的实验方法.利用自行研制的机械结构,通过点接触施力写制应力长周期光纤光栅,并通过压力板V-M型形变实现优化MLPFG传输谱的n维调节,有效抑制了应力长周期光纤光栅传输谱中的旁瓣.当损耗峰LP05损耗强度为9.0dB时,边模抑制比大于8.6dB;同时,提出并实现了一种通过空气薄层形成的等厚干涉条纹来监测光纤上力分布的光学方法,从而为传输谱的优化提供有效参量. A new method to optimize mechanically-induced long-period fiber grating （MLPFG） transmission spectra was demonstrated. By the mechanism designed by ourselves, MLPFGs were written by pointcontact pressure, and the n-dimensional modulation of MLPFG are realized by the V M deformation of pressure plates. Sidelobes in MLPFG transmission spectrum are suppressed effectively： when the loss of LP05 reaches 9. 0 dB, the sidelobe suppression ration is larger than 8. 6 dB. Meanwhile, a method of monitoring the stress distribution along the grating fibers is given by the air film equal thickness interference,which offers effective parameters for MLPFG n-dimensional modulation.
作者 王新伟 盛秋琴
机构地区 南开大学物理科学学院 中国科学院半导体研究所光电系统实验室
出处 《光子学报》 EI CAS CSCD 北大核心 2008年第11期2198-2202,共5页 Acta Photonica Sinica
基金 南开大学本科生创新科研百项工程资助
关键词 应力长周期光纤光栅 传输谱 旁瓣 干涉条纹 Mechanically-induced long-period fiber grating Transmission spectrum Sidelobe Interference pattern
分类号 TN253 [电子电信—物理电子学]
  • 相关文献

参考文献11

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共引文献1

同被引文献11

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引证文献1

二级引证文献6

光子学报
2008年 第11期

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