System Efficiency : 0.999138 :8~*NSEFd
'nM)=
Receiver Efficiency : 0.945327 g2<xr;<t^
zF[>K4
Coupling Efficiency : 0.944512 (-0.2479 dB) #'-L`])7uw
H +>l][
Maximum Efficiency : 0.995227 `8 Dgk}
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The system efficiency is the fraction of the energy in the source @edi6b1W
beam that exits the optical system. This value is determined by t3 q0|S
the input na, entrance pupil size and position, apodization, g [P 8
transmission of the optics, and vignetting. Tl!}9/Q5E:
W1s4[rL!Ht
The receiver efficiency is the fraction of the transmitted energy ^xGdRa U#
that couples from the exit pupil to the receiving fiber. This ;Vad| -
value is determined by aberrations and the na of the receiving fiber. &OiJJl[9
'%>$\Lv
The coupling efficiency is the fraction of energy radiated B%L0g.D "
by the source that couples into the receiver. This is the 0 FHX
product of the system and receiver efficiencies. =B(zW .Gf
TY,w3E_
The maximum efficiency is the coupling efficiency if there B=/*8,u
were no aberrations. +x!V;H(
?hS n)
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. W)F2X0D >
耦合效率的计算有一个积分过程,还是比较复杂的.
