System Efficiency : 0.999138 85|95P. <
"T{~,'T
Receiver Efficiency : 0.945327 &@W4^- 9
5G'&9{oB
Coupling Efficiency : 0.944512 (-0.2479 dB) Jn[q<e"
Lk`k>Nn)
Maximum Efficiency : 0.995227 /;<e.
762o~vY6$
The system efficiency is the fraction of the energy in the source *]m kyAhi
beam that exits the optical system. This value is determined by +(<n |~
the input na, entrance pupil size and position, apodization, p&OJa$N$[
transmission of the optics, and vignetting. ) _9e@ ~,
:!I)r$
The receiver efficiency is the fraction of the transmitted energy xMSNr Oc
that couples from the exit pupil to the receiving fiber. This 1ak D]Z
value is determined by aberrations and the na of the receiving fiber. b#p~F}qT
\za5:?[xB
The coupling efficiency is the fraction of energy radiated I( ^jOgYU
by the source that couples into the receiver. This is the t i{H(;;@
product of the system and receiver efficiencies. 4>$
;gH
Jcalf{W6
The maximum efficiency is the coupling efficiency if there CRc!|?
were no aberrations. jMf 7J
i M?I
/\
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. eg$5z
Z
耦合效率的计算有一个积分过程,还是比较复杂的.
