武汉理工大学光纤通信复习题,内部资料(1).Whichofthefollowingdispersiondosenotexistinsingle-modeopticalfiber?(D)A.materialdispersionB.waveguidedispersionC.polarization-modedispersionD.intermodaldispersion(2).Theunitofthefiberattenuationcoefficientis(C)A.dBB.dB