System Efficiency : 0.999138 7 ?O~3
I
)LO @
Receiver Efficiency : 0.945327 ydyGPZ t
k'd(H5A
Coupling Efficiency : 0.944512 (-0.2479 dB) .PhH|jrCW^
Lk-%I?
Maximum Efficiency : 0.995227 eyiGe1^C
/ W,K% s]
The system efficiency is the fraction of the energy in the source >nn jL rI
beam that exits the optical system. This value is determined by P(Fd|).j$
the input na, entrance pupil size and position, apodization, u?>]C6 $
transmission of the optics, and vignetting. )E2^G)J$W
NQD*8PGfj
The receiver efficiency is the fraction of the transmitted energy dK=<%)N
that couples from the exit pupil to the receiving fiber. This y+P iH
value is determined by aberrations and the na of the receiving fiber. c&o|I4|Y,
N2~q\BqA
The coupling efficiency is the fraction of energy radiated b(Ev :
by the source that couples into the receiver. This is the f~3_Rv!
product of the system and receiver efficiencies. 1YklPMx6
mu1Lg s$;
The maximum efficiency is the coupling efficiency if there l-N4RC t h
were no aberrations. [ uh$\s7
4Z Z/R?AiK
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. RQ1`k,R=
耦合效率的计算有一个积分过程,还是比较复杂的.
