Optical fiber communication -62021/2/19 F-P( Fabry-Pery)腔型光滤波器:解复用 A:工作原理多光束干涉有频率选择物性 At,= Anrt At,=Arri t2 At= anr t At,= Att 当r1r2反射率较高时必须考虑每光束干涉1-6 Copyright Wang Yan 2021/2/19 Optical fiber communications 一、F-P(Fabry-Pery)腔型光滤波器：解复用 A:工作原理多光束干涉有频率选择物性 2 3 1 3 4 2 At = Ar r t 2 2 1 2 3 2 At = Ar r t 2 2 1 2 At = Ar r t 1 2 1 At = At t − A = A 1 t 1 r 2 t 2 r 当r1 r2反射率较高时必须考虑每光束干涉