System Efficiency : 0.999138 !F?XLekTi
Wl}&?v&@
Receiver Efficiency : 0.945327 iQ"XLrpl
MHa#?Q9
Coupling Efficiency : 0.944512 (-0.2479 dB) A`R{m0A
]kboG%Dl?9
Maximum Efficiency : 0.995227 }}<z/zN&^
--DoB=5%8
The system efficiency is the fraction of the energy in the source ^b
%0B
beam that exits the optical system. This value is determined by xMBaVlEN
the input na, entrance pupil size and position, apodization, P~ &$l2
transmission of the optics, and vignetting. Ps<d('=
n93=8;&
The receiver efficiency is the fraction of the transmitted energy M+x,opl
that couples from the exit pupil to the receiving fiber. This mml
z&h
value is determined by aberrations and the na of the receiving fiber. ~ar=PmYV7
M>/Zbnq
The coupling efficiency is the fraction of energy radiated 3'X.}>o
by the source that couples into the receiver. This is the W|o'&
product of the system and receiver efficiencies. K^R,Iu/M
)(@Hd
The maximum efficiency is the coupling efficiency if there M
%Qt|@O
were no aberrations. @/1w4'M
M.>l#4s,'
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. Ot`VR&}
耦合效率的计算有一个积分过程,还是比较复杂的.