System Efficiency : 0.999138 zm}4=Kz}
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Receiver Efficiency : 0.945327 lM C4j
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Coupling Efficiency : 0.944512 (-0.2479 dB) ti)foam
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Maximum Efficiency : 0.995227 ,qak_bP
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The system efficiency is the fraction of the energy in the source IBY3QG
beam that exits the optical system. This value is determined by b+\jFGC%6=
the input na, entrance pupil size and position, apodization, dZm>LVjG
transmission of the optics, and vignetting. W$@q
~/E
A+3@N99HeH
The receiver efficiency is the fraction of the transmitted energy I.j`h2
that couples from the exit pupil to the receiving fiber. This |<\LB
value is determined by aberrations and the na of the receiving fiber. C_?L$3 U0
TSmuNCR
The coupling efficiency is the fraction of energy radiated uAR!JJ
by the source that couples into the receiver. This is the n*%<!\gJ
product of the system and receiver efficiencies. 3=1aMQ
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The maximum efficiency is the coupling efficiency if there 6pI=?g
were no aberrations. v8,+|+3
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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. WS@b3zzN
耦合效率的计算有一个积分过程,还是比较复杂的.