System Efficiency : 0.999138 x]mxD|?f
}ov &., vQ
Receiver Efficiency : 0.945327 zjL.Bhiud
wu9=N
^x
Coupling Efficiency : 0.944512 (-0.2479 dB)
>YtdA
y7i %W 4
Maximum Efficiency : 0.995227 6pOx'u>h+
>gKh
The system efficiency is the fraction of the energy in the source Z+`{ 7G?4m
beam that exits the optical system. This value is determined by <m MTD8Sx]
the input na, entrance pupil size and position, apodization, `cQo0{xK
transmission of the optics, and vignetting. ~n')&u{
Awv`) "RAR
The receiver efficiency is the fraction of the transmitted energy RC|!+ TD
that couples from the exit pupil to the receiving fiber. This YKbCdLQ
value is determined by aberrations and the na of the receiving fiber. \AUI|M;'
p R dk>Ph
The coupling efficiency is the fraction of energy radiated ./j, Z$|
by the source that couples into the receiver. This is the p,pR!qC>
product of the system and receiver efficiencies. *=ZsqOHwG
Hd7,ZHj3 ^
The maximum efficiency is the coupling efficiency if there $ N']TN
were no aberrations. wfvU0]wk}
0n ~ Zz
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. yL^UE=#C_
耦合效率的计算有一个积分过程,还是比较复杂的.
