光纤布拉格光栅损耗特性的测量与分析

王迪; 皮浩洋; 李璇; 杨飞; 叶青; 蔡海文

doi:doi:10.3788/CJL201845.0606004

中国激光, 2018, 45 (6): 0606004, 网络出版: 2018-07-05

光纤布拉格光栅损耗特性的测量与分析下载： 1049次

Measurement and Analysis of Loss in Fiber Bragg Gratings

王迪 ^1,2皮浩洋 ¹李璇 ¹杨飞 ^{1,* *}叶青 ¹蔡海文 ¹

作者单位

¹ 中国科学院上海光学精密机械研究所上海市全固态激光器与应用技术重点实验室, 上海 201800

² 中国科学院大学, 北京 100049

图 & 表

图 1. 实验装置示意图

Fig. 1. Schematic diagram of experiment setup

下载图片查看原文

图 2. FBG折射率分布示意图

Fig. 2. Schematic illustration of the refractive index in FBG

下载图片查看原文

图 3. (a)均匀辐照多个脉冲数的低反射率光栅光谱;(b)紫外诱导损耗α与折射率改变量δn的关系

Fig. 3. (a) Spectra of weak FBG with dose of UV exposure; (b) UV-induced loss α varies with UV-induced refractive index change δn

下载图片查看原文

图 4. FBG刻写过程中折射率与损耗的增长过程。(a) δnmod, δneff和δnmod/δneff 随紫外光辐照脉冲数的变化;(b) FBG损耗系数α与耦合系数κ(mm-1)的关系

Fig. 4. Refractive index change and loss increasing during FBG inscription. (a) δnmod, δneff and δnmod/δneffvaries with dose of UV exposure; (b) loss coefficient of FBG varies with its coupling coefficient

下载图片查看原文

图 5. (a) δnmod/δneff和(b) α/κ随光纤与相位掩模板距离D的变化

Fig. 5. (a) δnmod/δneff and (b) α/κ varies with the distance between the phase mask and the fiber core

下载图片查看原文

图 6. 采用两个相位掩模板刻写FBG过程中,(a) δnmod/δneff和(b) α/κ随光纤与相位掩模板距离D的变化

Fig. 6. (a) δnmod/δneff and (b) α/κ vary with the distance between the phase mask and the fiber core, using the two different phase masks

下载图片查看原文

表 1相位掩模板的衍射效率

Table1. Diffraction efficiency of phase mask

Diffraction efficiency	Diffracted order
Diffraction efficiency	0	±1	±2	±3	±4
Power of phase mask A /%	3.6	41	3.9	2.3	—
Power of phase mask B /%	27.8	33.7	—	2.4	—

查看原文

表 2载氢和载氘SM-28刻写的FBG的损耗测量结果

Table2. Loss of FBG inscribed in H2- andD2-loading SM-2810-3

Enhancing photosensitivity	α/k
H₂-laoding for 4 days	10	7.6	9.8	9.7
D₂-laoding for 4 days	5.1	3.6	4.3	3.6

查看原文

王迪, 皮浩洋, 李璇, 杨飞, 叶青, 蔡海文. 光纤布拉格光栅损耗特性的测量与分析[J]. 中国激光, 2018, 45(6): 0606004. Di Wang, Haoyang Pi, Xuan Li, Fei Yang, Qing Ye, Haiwen Cai. Measurement and Analysis of Loss in Fiber Bragg Gratings[J]. Chinese Journal of Lasers, 2018, 45(6): 0606004.

光纤布拉格光栅损耗特性的测量与分析下载： 1049次

图 1. 实验装置示意图

Fig. 1. Schematic diagram of experiment setup

图 2. FBG折射率分布示意图

Fig. 2. Schematic illustration of the refractive index in FBG

图 3. (a)均匀辐照多个脉冲数的低反射率光栅光谱;(b)紫外诱导损耗α与折射率改变量δn的关系

Fig. 3. (a) Spectra of weak FBG with dose of UV exposure; (b) UV-induced loss α varies with UV-induced refractive index change δn

图 4. FBG刻写过程中折射率与损耗的增长过程。(a) δnmod, δneff和δnmod/δneff 随紫外光辐照脉冲数的变化;(b) FBG损耗系数α与耦合系数κ(mm-1)的关系

Fig. 4. Refractive index change and loss increasing during FBG inscription. (a) δnmod, δneff and δnmod/δneffvaries with dose of UV exposure; (b) loss coefficient of FBG varies with its coupling coefficient

图 5. (a) δnmod/δneff和(b) α/κ随光纤与相位掩模板距离D的变化

Fig. 5. (a) δnmod/δneff and (b) α/κ varies with the distance between the phase mask and the fiber core

图 6. 采用两个相位掩模板刻写FBG过程中,(a) δnmod/δneff和(b) α/κ随光纤与相位掩模板距离D的变化

Fig. 6. (a) δnmod/δneff and (b) α/κ vary with the distance between the phase mask and the fiber core, using the two different phase masks

表 1相位掩模板的衍射效率

Table1. Diffraction efficiency of phase mask

表 2载氢和载氘SM-28刻写的FBG的损耗测量结果

Table2. Loss of FBG inscribed in H2- andD2-loading SM-2810-3

关于本站 Cookie 的使用提示

全站搜索

光纤布拉格光栅损耗特性的测量与分析 下载： 1049次

图 1. 实验装置示意图

Fig. 1. Schematic diagram of experiment setup

图 2. FBG折射率分布示意图

Fig. 2. Schematic illustration of the refractive index in FBG

图 3. (a)均匀辐照多个脉冲数的低反射率光栅光谱;(b)紫外诱导损耗α与折射率改变量δn的关系

Fig. 3. (a) Spectra of weak FBG with dose of UV exposure; (b) UV-induced loss α varies with UV-induced refractive index change δn

图 4. FBG刻写过程中折射率与损耗的增长过程。(a) δnmod, δneff和δnmod/δneff 随紫外光辐照脉冲数的变化;(b) FBG损耗系数α与耦合系数κ(mm-1)的关系

Fig. 4. Refractive index change and loss increasing during FBG inscription. (a) δnmod, δneff and δnmod/δneffvaries with dose of UV exposure; (b) loss coefficient of FBG varies with its coupling coefficient

图 5. (a) δnmod/δneff和(b) α/κ随光纤与相位掩模板距离D的变化

Fig. 5. (a) δnmod/δneff and (b) α/κ varies with the distance between the phase mask and the fiber core

图 6. 采用两个相位掩模板刻写FBG过程中,(a) δnmod/δneff和(b) α/κ随光纤与相位掩模板距离D的变化

Fig. 6. (a) δnmod/δneff and (b) α/κ vary with the distance between the phase mask and the fiber core, using the two different phase masks

表 1相位掩模板的衍射效率

Table1. Diffraction efficiency of phase mask

表 2载氢和载氘SM-28刻写的FBG的损耗测量结果

Table2. Loss of FBG inscribed in H2- andD2-loading SM-2810-3

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索

光纤布拉格光栅损耗特性的测量与分析下载： 1049次