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实芯保偏光子晶体光纤散射测量与分析

Measurement and Analysis of Scattering in Solid-Core Polarization-Maintaining Photonic Crystal Fibers

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摘要

实芯保偏光子晶体光纤在双折射、温度、抗辐照等方面具有独特的优势, 非常适合于光纤陀螺应用, 然而其损耗较大, 影响着光子晶体光纤陀螺性能的提高, 空气孔内壁表面粗糙度引起的散射是导致损耗的原因之一。针对实芯保偏光子晶体光纤散射损耗, 建立了光纤散射模型, 仿真计算散射损耗为0.179 dB/km; 搭建了全自动测试装置, 测量灵敏度可达1 pW, 散射角测量范围可达15°~165°, 光纤旋转角度分辨率可达1°, 实现了三维散射球的测量, 得到散射损耗为0.23 dB/km, 验证了理论仿真结果的可靠性。

Abstract

The solid-core polarization-maintaining photonic crystal fiber is very suitable for the application of the fiber optic gyro because of its unique advantages in birefringence, temperature, and radiation resistance. However, the loss is large, which affects the improvement of the performance of the photonic crystal fiber gyro. The scattering caused by the surface roughness of the air hole inner wall is one of the causes of the loss. For the scattering loss of the solid-core polarization-maintaining photonic crystal fiber, a fiber scattering model is established, and the simulation result of the scattering loss is 0.179 dB/km. A fully automatic test device is built with a measurement sensitivity of 1 pW, a scattering angle measurement range of 15° to 165°, and a fiber rotation angle resolution of 1°,the measurement of a three-dimensional scattering ball is realized. And the measured scattering loss of the fiber is 0.23 dB/km, which is in agreement with the theoretical simulation result.

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中图分类号:O439

DOI:10.3788/lop56.010601

所属栏目:光纤光学与光通信

基金项目:国家自然科学基金(61575012, 61575013)、国家重大科学仪器专项基金(2013YQ040877)

收稿日期:2018-06-05

修改稿日期:2018-07-11

网络出版日期:2018-07-18

作者单位    点击查看

宋凝芳:北京航空航天大学仪器科学与光电工程学院, 北京 100191
胡雪妍:北京航空航天大学仪器科学与光电工程学院, 北京 100191
徐小斌:北京航空航天大学仪器科学与光电工程学院, 北京 100191
蔡伟:北京航空航天大学仪器科学与光电工程学院, 北京 100191
高福宇:北京航空航天大学仪器科学与光电工程学院, 北京 100191

联系人作者:胡雪妍(huxueyan@buaa.edu.cn)

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引用该论文

Song Ningfang,Hu Xueyan,Xu Xiaobin,Cai Wei,Gao Fuyu. Measurement and Analysis of Scattering in Solid-Core Polarization-Maintaining Photonic Crystal Fibers[J]. Laser & Optoelectronics Progress, 2019, 56(1): 010601

宋凝芳,胡雪妍,徐小斌,蔡伟,高福宇. 实芯保偏光子晶体光纤散射测量与分析[J]. 激光与光电子学进展, 2019, 56(1): 010601

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