System Efficiency : 0.999138 yp\sJc`
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Receiver Efficiency : 0.945327 ).uR@j
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Coupling Efficiency : 0.944512 (-0.2479 dB) >Z&Y!w'A|u
J)"g`)\2 +
Maximum Efficiency : 0.995227 ]q<Zc>OC
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The system efficiency is the fraction of the energy in the source -1 <*mbb0
beam that exits the optical system. This value is determined by f]37Xl%I
the input na, entrance pupil size and position, apodization, 2}8xY:|@(U
transmission of the optics, and vignetting. ,/6 aA7(
-9> oB
The receiver efficiency is the fraction of the transmitted energy MO-)j_o-Z
that couples from the exit pupil to the receiving fiber. This xji2#S%
value is determined by aberrations and the na of the receiving fiber. |Y|g T*v
w;4FN'
The coupling efficiency is the fraction of energy radiated J-)9>~[E<
by the source that couples into the receiver. This is the TaTs-]4
product of the system and receiver efficiencies. 0VBbSn}Z<
+ht{ARX2(
The maximum efficiency is the coupling efficiency if there P8=!/L2?
were no aberrations. |A% Jx__
A0`#n|(Ad!
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. YMfjTt@Q
耦合效率的计算有一个积分过程,还是比较复杂的.