^pof;
Photonics,;
Faculty;
of;
Science,;
Ningbo;
University,;
Ningbo;
315211,;
China;
^pof;
Optical;
Engineering;
School;
of;
Mechanical;
Engineering,;
Jiangsu;
University,;
Zhenjiang;
212013,;
China;
光纤滤波器; 光子晶体光纤; 特性; 双核; 波段; 设计; 光子晶体纤维; 耦合长度;