System Efficiency : 0.999138 +{J8,^z#
xs$$fPAQ
Receiver Efficiency : 0.945327 }Mc b\+[
}r:o8+4
Coupling Efficiency : 0.944512 (-0.2479 dB) sibYJK Oy
ccD+AGM.
Maximum Efficiency : 0.995227 NxT"A) u
)9Qtn M
The system efficiency is the fraction of the energy in the source Rj8%% G-pt
beam that exits the optical system. This value is determined by JfY*#({ y
the input na, entrance pupil size and position, apodization, *XVwTW[a
transmission of the optics, and vignetting. \@LTXH.
I=Y>z ^4
The receiver efficiency is the fraction of the transmitted energy a?c &#Jl
that couples from the exit pupil to the receiving fiber. This qWt}8_ "
value is determined by aberrations and the na of the receiving fiber. t}EM X9SQ
N ##`
The coupling efficiency is the fraction of energy radiated ' W/M>!X
by the source that couples into the receiver. This is the "q@m6 fs
product of the system and receiver efficiencies. % R SZ.
IK~&`n](>
The maximum efficiency is the coupling efficiency if there +6m. f,14q
were no aberrations. I[ \~ pi,
E-e(K8R
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. y_]+;% w:
耦合效率的计算有一个积分过程,还是比较复杂的.
