Optical fiber communication 92021/2/19 C. GIF with o=2的归一化中心频率 =2.40483/ 240483(a+2)(lyk 作业:一SI,one=1.5, ncladd=1495 (a)着a=9m,该光纤支持单模运转的最短波长是多少? 其模场半径为多少? =2.40483 2- 2r x 9 .52-1.4592=2877/m 2.40483 O=(0.65+16195+2876)1-9 Copyright Wang Yan 2021/2/19 Optical fiber communications C. GIF with α=2 的归一化中心频率 2 1 2.40483 ( 2)/ 2.40483 / = + Vc = V Ve 作业:一SIF, =1.5 =1.495 core cladding n ,n (a)若a=9µm,该光纤支持单模运转的最短波长是多少? 其模场半径为多少? V V a m m V (0.65 1.619 2.87 ) 1.5 1.459 2.877 2.40483 2 9 2.40483 1.5 6 2 2 − − = + + − = = =