System Efficiency : 0.999138 c+:ZmrP/
7~h3B<
Receiver Efficiency : 0.945327 %F*9D3^h
n1-p/a.
Coupling Efficiency : 0.944512 (-0.2479 dB) _Id'56N]J!
BhJ>G%
Maximum Efficiency : 0.995227 E)v~kC}7.
voa)V1A/]
The system efficiency is the fraction of the energy in the source
0,Ds1y^
beam that exits the optical system. This value is determined by -^@FZR^Y
the input na, entrance pupil size and position, apodization, !dqC6a
transmission of the optics, and vignetting. Wg-mJu(
}a]`"_i;[
The receiver efficiency is the fraction of the transmitted energy VE\L&d2S
that couples from the exit pupil to the receiving fiber. This %_!/4^smE
value is determined by aberrations and the na of the receiving fiber. a"#t'\
Ua1&eCZi
The coupling efficiency is the fraction of energy radiated Rh'z;Gyr
by the source that couples into the receiver. This is the +:KZEFY?<
product of the system and receiver efficiencies. T^A(v(^D
s9?mX@>h
The maximum efficiency is the coupling efficiency if there LO`0^r
were no aberrations. =E-x0sr?
d^v#x[1msZ
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.
+25}X{r$_
耦合效率的计算有一个积分过程,还是比较复杂的.