System Efficiency : 0.999138 33~MP;
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Receiver Efficiency : 0.945327 'iW
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Coupling Efficiency : 0.944512 (-0.2479 dB) J.UNw8z
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Maximum Efficiency : 0.995227 )^(gwE
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The system efficiency is the fraction of the energy in the source y_9\07va<
beam that exits the optical system. This value is determined by z@ `o(gh
the input na, entrance pupil size and position, apodization, % mQ&pk
transmission of the optics, and vignetting. }R;}d(C`
~|" Vl<9
The receiver efficiency is the fraction of the transmitted energy ]zYIblpde
that couples from the exit pupil to the receiving fiber. This Z' i@;^=A
value is determined by aberrations and the na of the receiving fiber. <6(0ZO%,C!
[l-o*@
The coupling efficiency is the fraction of energy radiated :aOR@])>o
by the source that couples into the receiver. This is the >*EZZ\eU!
product of the system and receiver efficiencies. DQ8/]Z{H
d}O\:\}y
The maximum efficiency is the coupling efficiency if there b|_e):V|
were no aberrations. '#c# .O
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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. XHA| v^
耦合效率的计算有一个积分过程,还是比较复杂的.
