State;
Key;
Lab;
of;
Modern;
Optical;
Instrumentation,;
Zhejiang;
University,;
Hangzhou;
310027,;
China;
Institute;
of;
Optics;
and;
Electronics,;
Chinese;
Academy;
of;
Sciences,;
Chengdu;
610209,;
China;
光纤环形腔激光器; 频率域; OCT; 半导体光放大器; 扫频源; 可调谐滤波器; 光纤耦合器; 转移因子;