文件名称：武汉理工大学光纤通信复习题
文件大小：372KB
文件格式：DOC
更新时间：2015-12-09 08:36:03
光纤 考试 武汉理工
武汉理工大学光纤通信复习题，内部资料 (1).Which of the following dispersion dose not exist in single-mode optical fiber? （ D ） A .material dispersion B.waveguide dispersion C.polarization-mode dispersion D.intermodal dispersion (2).The unit of the fiber attenuation coefficient is (C) A. dB B. dBm C. dB/km D. dBm/km (3).the bands of Optical fiber communication is (B) A.0.01um-0.39um B. 0.8um-2.0um C.0.39um-0.79um D.100um-1000um (4).If the optical input power of a Optical amplifier is 10mW，and the optical output power is 100mW as well ,then its output gain level is (A) A.10dB B.20dB C.30dB D.40dB