System Efficiency : 0.999138 vWXj 6}
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Receiver Efficiency : 0.945327 | ^^;v|
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Coupling Efficiency : 0.944512 (-0.2479 dB) -~p@ o1k0
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Maximum Efficiency : 0.995227 p}}}~ lC/
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The system efficiency is the fraction of the energy in the source ~2S`y=* :
beam that exits the optical system. This value is determined by hUxpz:U*
the input na, entrance pupil size and position, apodization, D-8%lGS
transmission of the optics, and vignetting. N`Zm[Sv7
] j}zN2[A
The receiver efficiency is the fraction of the transmitted energy
N_= 7
that couples from the exit pupil to the receiving fiber. This );@@>~
value is determined by aberrations and the na of the receiving fiber. !3-mPG<
]
1x V~EX
The coupling efficiency is the fraction of energy radiated #z6RzZu
by the source that couples into the receiver. This is the (b GiBsb
product of the system and receiver efficiencies. rM2?"
GQ$0`?lp
The maximum efficiency is the coupling efficiency if there d_QHm;}Cx
were no aberrations. yaa+j8s]
+7|Oy3s
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. bXQ(6P
耦合效率的计算有一个积分过程,还是比较复杂的.
