System Efficiency : 0.999138 D#LV&4e>.E
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Receiver Efficiency : 0.945327 _ 94
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Coupling Efficiency : 0.944512 (-0.2479 dB) nx 'c= gp
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Maximum Efficiency : 0.995227 z zZ EX
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The system efficiency is the fraction of the energy in the source tle`O)&uo
beam that exits the optical system. This value is determined by ^;_~ mq.
the input na, entrance pupil size and position, apodization, ."+lij=56
transmission of the optics, and vignetting. 6| NH*#s
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The receiver efficiency is the fraction of the transmitted energy wS}c \!@<,
that couples from the exit pupil to the receiving fiber. This R `tJ7MB
value is determined by aberrations and the na of the receiving fiber. 2'@m'4-N
~Y x_ 3
The coupling efficiency is the fraction of energy radiated fF)Q;~_VA
by the source that couples into the receiver. This is the N_T5sZ\
product of the system and receiver efficiencies. S-Y{Vi"2
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The maximum efficiency is the coupling efficiency if there [1vm~ w'
were no aberrations. -US:a8`
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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. {J==y; dK
耦合效率的计算有一个积分过程,还是比较复杂的.
