System Efficiency : 0.999138 kP8Ypw&
@ULr) &9
Receiver Efficiency : 0.945327 w`#lLl
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Coupling Efficiency : 0.944512 (-0.2479 dB) {_(;&\5
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Maximum Efficiency : 0.995227 yRieGf1'SD
x]a>Q),
The system efficiency is the fraction of the energy in the source fWKv3S1dT
beam that exits the optical system. This value is determined by s BRw#xyS
the input na, entrance pupil size and position, apodization, eKStt|M'
transmission of the optics, and vignetting. zyCl`r[}
y'4=
The receiver efficiency is the fraction of the transmitted energy %X [|7D-
that couples from the exit pupil to the receiving fiber. This 2] > s@?[
value is determined by aberrations and the na of the receiving fiber. 25YJH1x
YJ!6)d?C.
The coupling efficiency is the fraction of energy radiated E}1[&
by the source that couples into the receiver. This is the IL>Gi`Y&
product of the system and receiver efficiencies. i 3?zYaT
O' idS`
The maximum efficiency is the coupling efficiency if there >nl *aN
were no aberrations. =AR'Pad
*AxKV5[H
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. b(~NqV!i
耦合效率的计算有一个积分过程,还是比较复杂的.
