【摘要】 声光可调滤波器以其宽的调节范围、窄的滤波线宽、多信道并行滤光等特点，在光纤通信系统中作动态增益均衡器具有很多优点。用声光可调滤波器实现ＥＤＦＡ级联的ＷＤＭ系统的动态增益均衡，可扩展增益带宽（～５２ ｎｍ），提高传输距离 （～ ２４００ ｋｍ）。更多还原

【Abstract】 Acoustooptic tunable filters have virtue of broad tuning range, narrow filter bandwidth, and simultaneous independent multiple-channel filtering, working as dynamic gain equlizer in optical fiber communication systems. In the latest system using acoustooptic tunable filters as gain equlizers, the gain band--width and transmission distance achieved 52nm and 2400km, respectively.更多还原