System Efficiency : 0.999138 u pg?
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Receiver Efficiency : 0.945327 '3 w=D
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Coupling Efficiency : 0.944512 (-0.2479 dB) +D[|L1{xb
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Maximum Efficiency : 0.995227 <`i " 5`J
=dx!R ,Bw
The system efficiency is the fraction of the energy in the source 'A;G[(SYy
beam that exits the optical system. This value is determined by z }.y
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the input na, entrance pupil size and position, apodization, 7Ab&C&3
transmission of the optics, and vignetting. DZ9 2; m
C8rD54A'M
The receiver efficiency is the fraction of the transmitted energy &PVos|G
that couples from the exit pupil to the receiving fiber. This A-^[4&rb
value is determined by aberrations and the na of the receiving fiber. -$**/~0zU
b6: A-jb*I
The coupling efficiency is the fraction of energy radiated T6h-E^Z
by the source that couples into the receiver. This is the '9c`[^
product of the system and receiver efficiencies. X1&Ug ^
_ *7h1[,{f
The maximum efficiency is the coupling efficiency if there . <`i!Ls
were no aberrations. 3 XF.$=@
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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. \ZX5dFu0
耦合效率的计算有一个积分过程,还是比较复杂的.
