TY - Front. Optoelectron. A1 - Shui ZHAO, Ping LU, Li CHEN, Deming LIU, Jiangshan ZHANG T1 - Transient Bragg fiber gratings formed by unpumped thulium doped fiber Y1 - 2013-06-05 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 180 EP - 184 VL - 6 IS - 2 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-013-0312-3 ER -