System Efficiency : 0.999138 JS^!XB' !
)8%m|v#W
Receiver Efficiency : 0.945327 6h?)x
N2 .Ym;^
Coupling Efficiency : 0.944512 (-0.2479 dB) X.e ocy
dy3fZ( =q^
Maximum Efficiency : 0.995227 I R~szUY6
S! h=HE
The system efficiency is the fraction of the energy in the source mr>dZ)
beam that exits the optical system. This value is determined by p|Qn?^C:
the input na, entrance pupil size and position, apodization, e#!p6+#"
transmission of the optics, and vignetting. }///k]_Sh
rw .DKM'
The receiver efficiency is the fraction of the transmitted energy GT ke<R
that couples from the exit pupil to the receiving fiber. This EIF"{,m
value is determined by aberrations and the na of the receiving fiber. nQ#NW8*Fs
.4[M7)
The coupling efficiency is the fraction of energy radiated wL[{ 6wL
by the source that couples into the receiver. This is the ?g4S51zpp
product of the system and receiver efficiencies. ,j(S'Pw
@ \*Zq
The maximum efficiency is the coupling efficiency if there 6"yIk4u :
were no aberrations. Yc^,Cj{OM
y wmC >`0p
数值孔径不是越大越好呀,当耦合光学系统的模式与你光线的模式完全匹配时,耦合效率最大. 7 )*q@
耦合效率的计算有一个积分过程,还是比较复杂的.
