System Efficiency : 0.999138 ]A#:Uc5
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Receiver Efficiency : 0.945327 #,XZ @u+
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Coupling Efficiency : 0.944512 (-0.2479 dB) "sY}@Q7
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Maximum Efficiency : 0.995227 :7dc;WdM
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The system efficiency is the fraction of the energy in the source w8J8III\~
beam that exits the optical system. This value is determined by H/;AlN|!
the input na, entrance pupil size and position, apodization, 6uUn
transmission of the optics, and vignetting. qZ@d:u
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The receiver efficiency is the fraction of the transmitted energy ,\# s_N 7
that couples from the exit pupil to the receiving fiber. This ] \L+]+u~
value is determined by aberrations and the na of the receiving fiber. a69e^;,>q
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The coupling efficiency is the fraction of energy radiated }Ujgd2(U
by the source that couples into the receiver. This is the ({!H ()
product of the system and receiver efficiencies. 0 ]=Bqyg
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The maximum efficiency is the coupling efficiency if there EN}XIa>R
were no aberrations. e- \/1N84
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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. 8IBr# +0
耦合效率的计算有一个积分过程,还是比较复杂的.
