F-P干涉滤波器及其在光纤通信系统中的应用

F P Interference Filter and Its Application to Optical System

对ＦＰ干涉滤波器及其在光纤通信系统中的应用进行了研究。对ＦＰ干涉滤波器的原理特性进行了分析，导出了传递函数的普遍形式，对滤波器的参数进行了设计和测量，并对精细度的测量进行了修正。研究了用滤波器产生变换限制脉冲的方法，导出了获得变换限制脉冲所需的滤波器优化带宽。分析了采用滤波器来抑制光通信系统中的放大器自发辐射噪声。

F P interference filter and its applications to the optical fiber communication system are studied in this paper. The principle and properties of F P interference filter are analyzed, and the general expression of the corresponding transfer function is derived. The parameters of filter are designed and measured, and the measurement of finesse is modified. The method of generating transform limited pulse using filter is analyzed, and the optimal bandwidth of the filter required to get transform limited pulse for given optical source is obtained. The filter used to suppress spontaneous emission noise of amplifier in optical communication system is also analyzed.