TY - Front. Optoelectron. A1 - Wei CHEN , Jinyan LI , Peixiang LU , T1 - Progress of photonic crystal fibers and their applications Y1 - 2009-03-05 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 50 EP - 57 VL - 2 IS - 1 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-009-0002-3 ER -