[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 [>^xMF]$2  
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Receiver Efficiency            :      0.945327 W7 iml|WV0  
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Coupling Efficiency            :      0.944512 (-0.2479 dB) +&j&es  
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Maximum Efficiency              :      0.995227 vy&< O  
HC[)):S*  
The system efficiency is the fraction of the energy in the source hynX5,p;.  
beam that exits the optical system. This value is determined by 8;vpa*  
the input na, entrance pupil size and position, apodization, ,dZ&i!@?  
transmission of the optics, and vignetting. +dB/SC-^U  
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The receiver efficiency is the fraction of the transmitted energy C>bd HB7  
that couples from the exit pupil to the receiving fiber. This ^P| K2at  
value is determined by aberrations and the na of the receiving fiber. %n7mN])  
Frxim  
The coupling efficiency is the fraction of energy radiated *pMu,?uE  
by the source that couples into the receiver. This is the Y%"6  
product of the system and receiver efficiencies. C~PoC
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/-_<RQ  
The maximum efficiency is the coupling efficiency if there 6.|Qyk*  
were no aberrations. LEJ8 .z6$  
V/; / &  
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. H[S 4o,  
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