System Efficiency : 0.999138
. sg V
`kVy1WiY
Receiver Efficiency : 0.945327 _CciU.1k&,
_rY,=h{+
Coupling Efficiency : 0.944512 (-0.2479 dB) HPg@yx"U
+P6q
wh\v
Maximum Efficiency : 0.995227 HKb8z@;%@
k^S=i_ U
The system efficiency is the fraction of the energy in the source 2^E. sf$f
beam that exits the optical system. This value is determined by NK$k9,
the input na, entrance pupil size and position, apodization, 2u *o/L+
transmission of the optics, and vignetting. *(PGL YK
m/Q@ -
The receiver efficiency is the fraction of the transmitted energy >j|.pi
that couples from the exit pupil to the receiving fiber. This bQr H8)
value is determined by aberrations and the na of the receiving fiber. L#M9 !
+ ( `
The coupling efficiency is the fraction of energy radiated 1<\@i{;xsU
by the source that couples into the receiver. This is the 7Xw;TA
product of the system and receiver efficiencies. B'lWs;
tTLD6#
The maximum efficiency is the coupling efficiency if there ' _@Y
were no aberrations. Jj8z ~3XnJ
.` )\GjDv
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. '0p 5|[ZD
耦合效率的计算有一个积分过程,还是比较复杂的.
