[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 ?1xBhKq  
P!,\V\TY]  
Receiver Efficiency            :      0.945327 IPbdX@FeV  
9bPQD{Qb  
Coupling Efficiency            :      0.944512 (-0.2479 dB) }
;+'  
jZ7/p^c5R  
Maximum Efficiency              :      0.995227 `. /[/z-g  
[@"H2#CQ  
The system efficiency is the fraction of the energy in the source 'd]9u9u  
beam that exits the optical system. This value is determined by r62x*?/  
the input na, entrance pupil size and position, apodization, Hig=PG5I  
transmission of the optics, and vignetting. y%|nE((  
!3DWz6u  
The receiver efficiency is the fraction of the transmitted energy K?BWl:^x  
that couples from the exit pupil to the receiving fiber. This i92{N$*x  
value is determined by aberrations and the na of the receiving fiber. +e)So+.W  
$hPAp}  
The coupling efficiency is the fraction of energy radiated l#7,<@)  
by the source that couples into the receiver. This is the R$K.;  
product of the system and receiver efficiencies. Q`7!~qV0=  
[zm&}$nnN  
The maximum efficiency is the coupling efficiency if there MnO,Cd6{%d  
were no aberrations. ":"QsS#*"#  
H:`W\CP7_  
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. HyiuU`  
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