System Efficiency : 0.999138 Fr; lG
V{GXc:=
Receiver Efficiency : 0.945327 PCZ]R
u>|"28y
Coupling Efficiency : 0.944512 (-0.2479 dB) T.2ZBG ~|[
$iHoOYx]<
Maximum Efficiency : 0.995227 :x+ig5
UE;Bb*<
The system efficiency is the fraction of the energy in the source 1|/'"9v
beam that exits the optical system. This value is determined by L=m:/qQL
the input na, entrance pupil size and position, apodization, 0[9I0YBJ
transmission of the optics, and vignetting. R9vY:oN%
OpqNEo\
The receiver efficiency is the fraction of the transmitted energy }$:#+
(17
that couples from the exit pupil to the receiving fiber. This lR}%)3_k
value is determined by aberrations and the na of the receiving fiber. @G(xaU'u
5qiI.)
The coupling efficiency is the fraction of energy radiated .+vd6Uc5a
by the source that couples into the receiver. This is the VF= Z`
product of the system and receiver efficiencies. ^W}MM8
'
gn`zy9PU
The maximum efficiency is the coupling efficiency if there "*bk{)dz}
were no aberrations. Xl?YB Z}
(H1lqlVWV#
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. ?@3&dk~ni
耦合效率的计算有一个积分过程,还是比较复杂的.
