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光子晶体光纤中去极化声波导布里渊散射温度及应变响应

Temperature and Stress Response of Depolarized Guided Acoustic Brillouin Scattering in Photonic Crystal Fibers

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摘要

数值求解了光子晶体光纤中的去极化型声波导布里渊散射色散方程, 研究了光子晶体光纤中的布里渊频移随泵浦波长及空气孔填充率的变化关系, 以及去极化型声波导布里渊散射频移随温度、应变、声波导模式、纤芯直径及空气孔层数的关系。结果表明: 布里渊频移随着波长的增大而线性减小。对于相同的波长点, 增大光子晶体光纤空气孔填充率时, 声波横向速度将会减小。去极化型声波导布里渊散射频移随温度及应变的增大而线性增加。同一温度条件下, 高阶TR2m模式的去极化型声波导布里渊散射频移对温度的变化更为敏感; 而在同一应变条件下, 低阶TR2m模式的去极化型声波导布里渊散射频移对应变的变化更为敏感。去极化型声波导布里渊散射频移随纤芯直径的增加而增大, 随空气孔层数的增加而减小。

Abstract

The dispersion equation of depolarized-guided acoustic wave Brillouin scattering (De-GAWBS) in photonic crystal fiber was numerically solved. The relationship of Brillouin frequency shift with pump wavelength and air hole filling fraction was studied. The dependency of De-GAWBS frequency shift on temperature, tensile strain, acoustic modes, the core diameter of photonic crystal fiber, and the number of air hole layers was investigated. The Brillouin frequency shift decreases linearly with the wavelength increasing, and the transverse velocity of acoustic wave decreases with the increasing of the air hole filling fraction at the same wavelength. The De-GAWBS frequency shift increases linearly with the increasing of temperature and strain. The frequency shift of the higher order torsional-radial mode is more sensitive in the same temperature condition, and the frequency shift of the lower order torsional-radial mode is more sensitive in the same tensile strain condition. The resonance frequency shift increases with the core diameter increasing and decreases with the number of layers of air hole increasing.

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中图分类号:TN929.11

DOI:10.3788/fgxb20133404.0500

所属栏目:发光学应用及交叉前沿

基金项目:国家自然科学基金(61167005); 甘肃省自然科学基金(1112RJZA018)资助项目

收稿日期:2012-12-24

修改稿日期:2013-02-05

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作者单位    点击查看

侯尚林:兰州理工大学 理学院, 甘肃 兰州 730050
薛乐梅:兰州理工大学 理学院, 甘肃 兰州 730050
王菊巍:兰州理工大学 理学院, 甘肃 兰州 730050
刘延君:兰州理工大学 理学院, 甘肃 兰州 730050
王道斌:兰州理工大学 理学院, 甘肃 兰州 730050
徐永钊:东莞理工学院 电子工程学院, 广东 东莞 523808

联系人作者:侯尚林(houshanglin@gmail.com)

备注:侯尚林(1970-), 男, 甘肃天水人, 博士, 教授, 主要从事光纤通信和传感器件的研究。

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引用该论文

HOU Shang-lin,XUE Le-mei,WANG Ju-wei,LIU Yan-jun,WANG Dao-bin,XU Yong-zhao. Temperature and Stress Response of Depolarized Guided Acoustic Brillouin Scattering in Photonic Crystal Fibers[J]. Chinese Journal of Luminescence, 2013, 34(4): 500-505

侯尚林,薛乐梅,王菊巍,刘延君,王道斌,徐永钊. 光子晶体光纤中去极化声波导布里渊散射温度及应变响应[J]. 发光学报, 2013, 34(4): 500-505

被引情况

【1】侯尚林,吕瑞,刘延君,王道斌,雷景丽,黎锁平,赵宇杰. 光子晶体光纤中去极化型声波导布里渊散射频移和散射效率研究. 发光学报, 2014, 35(1): 113-118

【2】张雯豫,侯尚林,刘延君,雷景丽,李晓晓,王道斌,武刚,徐永钊. 掺杂和结构对光纤中去极化型声波导布里渊散射频移与散射效率的影响. 光子学报, 2015, 44(5): 506005--1

【3】李强强,侯尚林,刘延君,雷景丽,李晓晓,王道斌,武刚. 光纤中声波导布里渊散射声波对斯托克斯波的影响. 光子学报, 2016, 45(1): 106004--1

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