System Efficiency : 0.999138 5;:P^[cH9
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Receiver Efficiency : 0.945327 OE{PP9 eh
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Coupling Efficiency : 0.944512 (-0.2479 dB) 3G r:.V9=
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Maximum Efficiency : 0.995227 !Z0p94L
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The system efficiency is the fraction of the energy in the source qFV }Y0w
beam that exits the optical system. This value is determined by xzI?'?duC
the input na, entrance pupil size and position, apodization, q!r4"#Y"@Z
transmission of the optics, and vignetting. G]NnGL<xk
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The receiver efficiency is the fraction of the transmitted energy :3oLGiL
that couples from the exit pupil to the receiving fiber. This K
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value is determined by aberrations and the na of the receiving fiber. 0P?\eoB@8
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The coupling efficiency is the fraction of energy radiated cz{5-;$9Z
by the source that couples into the receiver. This is the .UdoB`@!v=
product of the system and receiver efficiencies. 7BNu.5*y
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The maximum efficiency is the coupling efficiency if there 8M5a& 35J"
were no aberrations.
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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.
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耦合效率的计算有一个积分过程,还是比较复杂的.
