Spectral characterization of fiber Bragg grating with etched fiber cladding

被引：0
|
作者：
Zhou Qian [1 ]
Ning Ti-gang [1 ]
Pei Li [1 ]
Li Chao [1 ]
机构：
[1] Beijing Jiaotong Univ, Minist Educ, Key Lab All Opt Network & Adv Telecommun Network, Beijing 100044, Peoples R China
来源：
OPTOELECTRONICS LETTERS | 2012年 / 8卷 / 05期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1007/s11801-012-2263-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new method is presented to tune Bragg wavelength slightly by using hydrofluoric acid to etch fiber cladding. The spectral characteristics before and after etching and the change properties of Bragg wavelength are studied. Cladding modes are reduced during the etching process. High-order cladding modes are converted into radiation modes, and energy of cladding modes is coupled to the outside. As the cladding radius decreases, the Bragg wavelength shifts to longer direction. Experimental results show that this method can tune Bragg wavelength slightly, and the tunable range is 0.002-0.120 nm.
引用
收藏
页码：328 / 331
页数：4
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