[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 f"0{e9O]2  
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Sf  
Receiver Efficiency            :      0.945327 ye9-%~sjX  
JQ*CF(9  
Coupling Efficiency            :      0.944512 (-0.2479 dB) 9tnW:Nw~  
xY/ S;dE  
Maximum Efficiency              :      0.995227 8^H <dR  
8#Q=CTjF  
The system efficiency is the fraction of the energy in the source 4YVxRZ1[3  
beam that exits the optical system. This value is determined by h4xRRyK  
the input na, entrance pupil size and position, apodization, y`~[R7E  
transmission of the optics, and vignetting. l6X\.oI  
0!n6tz lT  
The receiver efficiency is the fraction of the transmitted energy LWb5C{  
that couples from the exit pupil to the receiving fiber. This _Z:WgO].  
value is determined by aberrations and the na of the receiving fiber. (i,TxjS'od  
]hBp elKJ  
The coupling efficiency is the fraction of energy radiated T[iwP~l  
by the source that couples into the receiver. This is the HDyus5g  
product of the system and receiver efficiencies. w*})ZYIUT  
C^po*(W6  
The maximum efficiency is the coupling efficiency if there (~r"N?`  
were no aberrations. N'fE^jqU  
H\
f.a R=  
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. ]F@XGJN  
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