System Efficiency : 0.999138 X_\$ hF
Y\
C"3+I
Receiver Efficiency : 0.945327 x+Ws lN 2a
~WW!P_wI,
Coupling Efficiency : 0.944512 (-0.2479 dB) +~7x+ 6 E
p0|PVn.^h
Maximum Efficiency : 0.995227 ['%$vnS5S
x@p1(V.
The system efficiency is the fraction of the energy in the source 9OS~;9YR
beam that exits the optical system. This value is determined by Y 9SaYSX
the input na, entrance pupil size and position, apodization, Clo}kdkd_
transmission of the optics, and vignetting. "n, %Hh
* YR>u @
The receiver efficiency is the fraction of the transmitted energy r ,r"?}Z
that couples from the exit pupil to the receiving fiber. This 8
U<$u,WS
value is determined by aberrations and the na of the receiving fiber. *-vH64e
sqv!,@ *q
The coupling efficiency is the fraction of energy radiated 6N#0D2~^
by the source that couples into the receiver. This is the 4;|@eN
product of the system and receiver efficiencies. /* G-\|
Oj F]K,$
The maximum efficiency is the coupling efficiency if there J?$`Tnx^
were no aberrations. = j!nt8]8
s}93nv*ez
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. TB%NHq-!
耦合效率的计算有一个积分过程,还是比较复杂的.
