Hydrogen Concentration Dependence of Bragg Wavelength of UV-Written Fiber Grating  

作　　者：FU Li-bin TAN Gu XU Wan-jin LIN Xiang-zhi LIU Hong-du 傅立斌;谭谷;徐万劲;林祥芝;刘弘度(Department of Physics,Peking University,Beijing 100871)

机构地区：[1]Department of Physics,Peking University,Beijing 100871

出　　处：《Chinese Physics Letters》1998年第12期886-888,共3页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant Nos.69777008 and 69637050.

摘　　要：Hydrogen loading provides highly enhanced photosensitivity in Ge-doped fiber. But the Bragg wavelength of UV-written fiber grating will shift from its initial value as the remaining hydrogen diffuses out of such fiber. A simple model to calculate the index change of hydrogenated fibers is presented. The theoretical model is in good agreement with experimental results and it can well predict the final wavelength position of UV-written weak fiber grating.

关 键 词：FIBER fibers VALUE 

分 类 号：TN2[电子电信—物理电子学]