System Efficiency : 0.999138 @ce3%`c_
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Receiver Efficiency : 0.945327 YLigP"*~^
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Coupling Efficiency : 0.944512 (-0.2479 dB) `T`c@A
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Maximum Efficiency : 0.995227 )6g&v'dq
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The system efficiency is the fraction of the energy in the source v/x*]c!"`
beam that exits the optical system. This value is determined by rCkYfTYI
the input na, entrance pupil size and position, apodization, J(^
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transmission of the optics, and vignetting. r.9 $y/5
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The receiver efficiency is the fraction of the transmitted energy -h=c=P
that couples from the exit pupil to the receiving fiber. This uFWvtL?;_
value is determined by aberrations and the na of the receiving fiber. GgT=t)}wu
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The coupling efficiency is the fraction of energy radiated V54q"kP,@.
by the source that couples into the receiver. This is the ?$2q P`-
product of the system and receiver efficiencies. A
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The maximum efficiency is the coupling efficiency if there 'H|;%J6d>
were no aberrations. "i}Z(_7yr
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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. GCZu<,
耦合效率的计算有一个积分过程,还是比较复杂的.