System Efficiency : 0.999138 N/{A '
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Receiver Efficiency : 0.945327 Pms3X
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Coupling Efficiency : 0.944512 (-0.2479 dB) Ynz^M{9)K
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Maximum Efficiency : 0.995227 `8FC&%X_
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The system efficiency is the fraction of the energy in the source &K>]!yn
beam that exits the optical system. This value is determined by 9 ^a>U(,
the input na, entrance pupil size and position, apodization, YfMe69/0I
transmission of the optics, and vignetting. y^@% Xrs
XOqpys
The receiver efficiency is the fraction of the transmitted energy , ;+\!'lS
that couples from the exit pupil to the receiving fiber. This $+P v
fQ
value is determined by aberrations and the na of the receiving fiber. #0`"gR#+
1.,mNY^UN
The coupling efficiency is the fraction of energy radiated Y sr{1! K
by the source that couples into the receiver. This is the e_1mO 5z
product of the system and receiver efficiencies. ] 3={o3[:
M8[YW|VkP
The maximum efficiency is the coupling efficiency if there "[[fQpe4@
were no aberrations. @0
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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. Dx <IS^>i
耦合效率的计算有一个积分过程,还是比较复杂的.
