[求助]用ZEMAX计算光纤的耦合效率 [复制链接]

我用ZEMAX计算光纤的耦合效率，可是我发现当接收光纤的数值孔径增大时耦合效率反而降低了，这是怎么回事呢？

我也想知道，同问，呵呵

我是新手也想知道对于光耦合的问题

有没有这方面的书籍？

我也想知道

System Efficiency              :      0.999138 h&x;#.SYK  
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Receiver Efficiency            :      0.945327 Os1=V  
o^+g2;Ro  
Coupling Efficiency            :      0.944512 (-0.2479 dB) +4V"&S|&  
E|x t\*  
Maximum Efficiency              :      0.995227 i?6#>;f  
wa
$Q8/  
The system efficiency is the fraction of the energy in the source -S 0dr8E  
beam that exits the optical system. This value is determined by ]~\%ANoi  
the input na, entrance pupil size and position, apodization, X9o6} %Y  
transmission of the optics, and vignetting. ,9~qLQ0O  
~--F?KUnL  
The receiver efficiency is the fraction of the transmitted energy \8/$ZEom  
that couples from the exit pupil to the receiving fiber. This XF`?5G~~#  
value is determined by aberrations and the na of the receiving fiber. nmClP  
rM)#}eZK!  
The coupling efficiency is the fraction of energy radiated #%.fsJNA$  
by the source that couples into the receiver. This is the aR}Il&  
product of the system and receiver efficiencies. =A<a9@N}N  
fPab%>/T{  
The maximum efficiency is the coupling efficiency if there y@Ak_]{b  
were no aberrations. T:S[[#f{5  
~-#8j3 J;  
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. /8LTM|(  
耦合效率的计算有一个积分过程,还是比较复杂的.

            

能否请问五楼的大侠怎么做到的，谢谢啊~~335797507@qq.com

谢谢  学学

我也想知道