TY - Front. Optoelectron. A1 - Lijun LI , Wande FAN , Shenggui FU , Yange LIU , Shuzhong YUAN , Xiaoyi DONG , T1 - Fabrication and characteristics of double-clad fiber Bragg gratings Y1 - 2009-03-05 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 68 EP - 75 VL - 2 IS - 1 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-008-0058-5 ER -