System Efficiency : 0.999138 uw_H: -J
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Receiver Efficiency : 0.945327 Y h S{$ Z
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Coupling Efficiency : 0.944512 (-0.2479 dB) bhn5Lz$z
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Maximum Efficiency : 0.995227 C *a,<`
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The system efficiency is the fraction of the energy in the source X3AwM%,!
beam that exits the optical system. This value is determined by Jns/v6
the input na, entrance pupil size and position, apodization, n%*tMr9 s
transmission of the optics, and vignetting. -rO*7HO
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The receiver efficiency is the fraction of the transmitted energy :Z[(A"dA
that couples from the exit pupil to the receiving fiber. This )&Mq,@
value is determined by aberrations and the na of the receiving fiber. ZE qE$:
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The coupling efficiency is the fraction of energy radiated s0 47"Q
by the source that couples into the receiver. This is the @*SA$9 /l
product of the system and receiver efficiencies. l:) S 3
YIO.yN"0
The maximum efficiency is the coupling efficiency if there ~?CS _B *
were no aberrations. ,aWCiu}
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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. `4skwvS=
耦合效率的计算有一个积分过程,还是比较复杂的.
