System Efficiency : 0.999138 {iq3|x2[ :
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Receiver Efficiency : 0.945327 41_SRh7N
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Coupling Efficiency : 0.944512 (-0.2479 dB) "hQ_sgz[Z
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Maximum Efficiency : 0.995227 ":nQgV\9
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The system efficiency is the fraction of the energy in the source NVl [kw
beam that exits the optical system. This value is determined by 0Ld@H)
the input na, entrance pupil size and position, apodization, X~xd/M=9^
transmission of the optics, and vignetting. r
lKlpl
8Mbeg
,P
The receiver efficiency is the fraction of the transmitted energy E[^ {w
that couples from the exit pupil to the receiving fiber. This gp-T"l
value is determined by aberrations and the na of the receiving fiber. ZoB{x*IH
oY=q4D
The coupling efficiency is the fraction of energy radiated .WQ+AE8Q
by the source that couples into the receiver. This is the :(_+7N[KA
product of the system and receiver efficiencies. x[Wwq=~
1c@}C+F+
The maximum efficiency is the coupling efficiency if there C8L'si
were no aberrations. GAc{l=vT'
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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. | 0,vQv
耦合效率的计算有一个积分过程,还是比较复杂的.