System Efficiency : 0.999138 b@!:=_Mr
@sdS0pC
Receiver Efficiency : 0.945327
aH
8J):\jAZ6
Coupling Efficiency : 0.944512 (-0.2479 dB) ZHcONYAr
jNIUsM8e
Maximum Efficiency : 0.995227 ]Ly8s#<g]N
Mn{XVXY@qm
The system efficiency is the fraction of the energy in the source IW mHp]
beam that exits the optical system. This value is determined by Zsgi{
the input na, entrance pupil size and position, apodization, 716hpj#*
transmission of the optics, and vignetting. fQ1 0O(`g,
x*J|i4
The receiver efficiency is the fraction of the transmitted energy 9GE]<v,_[
that couples from the exit pupil to the receiving fiber. This pW7kj&a_.
value is determined by aberrations and the na of the receiving fiber. mQL8QW[c
/0l-mfRr
The coupling efficiency is the fraction of energy radiated 4]]b1^vVj
by the source that couples into the receiver. This is the &<@%{h@=
product of the system and receiver efficiencies. ]Cr]Pvab{
u
X>PefR
The maximum efficiency is the coupling efficiency if there UC(9Dz
were no aberrations. ,uO?;!t
YMK>+y[+4
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. 38"cbHE3
耦合效率的计算有一个积分过程,还是比较复杂的.