[求助]请帮忙写个圆孔衍射的程序 [复制链接]

偶是新手，不明白里面的衍射是怎么弄的，请各位大侠帮忙写个圆孔衍射的程序看看行吗？在DETECTOR显示出衍射图样来？希望把程序命令帖出来。 YlJ@
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谢谢！ $t'MSlF  
自己根据例子改了一个，但是发现出来的图像和matlab的不一样，相差很大，觉得应该是错了，请大家帮忙看看呗？ \g`\`e53?  
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SYSTEM NEW j;+b0(53  
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WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM g-4
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PI=4*ATAN(1) e9Wa<i8  
COATING PROPERTIES )Yh+c=6 ?  
  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  'ABSORB' i(rL|d+'  
  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0   'TRANSMIT' <Uk}o8E  
  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0   'REFLECT' /Vx7mF:  
  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  'BEAM_SPLITTER' c)6m$5]  
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EDGE ,a{P4Bq  
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SMOOTH rQ{7j!Im  
OBJECT .FP$m?  
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!! DETECTOR 0mYXv4 <  
SURFACE {K~'K+TPu  
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  OBJECT 'DETECTOR' M~Tuj1?  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 +[6G5
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    FACETS 4 4 yM6pd U]i  
    REDEFINE COLOR 1 B{n,t}
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    ROTATE X 90 TNT4<5Ol6  
    SHIFT Y -10000 k$^UUo6  
!! Verify Geometry nSDMOyj+  
WINDOW Y Z 
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PARABASAL 4 %
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BEAMS COHERENT DIFFRACT \i>?q  
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WIDTHS 1.6 ].avI
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TRACE PLOT COLOR 2 j.[.1G*("  
$VIEW x;O[c3I  
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PIXELS 100 c`)\Pb/O  
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SPREAD NORMAL O#4&8>;=  
WINDOW Z -2@(1500/2) X -2@(1500/2) EgEa1l!NSQ  
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SPREAD NORMAL ~f2z]JLr:  
DISPLAY V5@:#BIs  
  PICTURE ZuzEg*lb  
RETURN

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  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  'BEAM_SPLITTER' m#Jmdb_  

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EDGE S"QWB`W2  
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    INTERFACE COATING ABSORB AIR SCHOTT_BK7 Xf]d. :  
    FACETS 4 4 x_Y!5yg E  
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PARABASAL 4 Wq&if_  
BEAMS COHERENT DIFFRACT `wEb<H  
WAVELENGTH 0.5 MICRONS `cUl7 'j  
WIDTHS 1.6 CAWN
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GRID RECT Y 100 -4@500 2@100 xwq (N_  
  SOURCE DIRECTION 0 -1 0 `5.'_3  
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PIXELS 100 $k%2J9O  
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WINDOW Z -2@(1500/2) X -2@(1500/2) 9~XAq^e  
WINDOW 1  !! Enlarge by mR:uj2*  
SPREAD NORMAL Hg izW  
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DISPLAY f}f9@>.  
  PICTURE #OD/$f_  
RETURN ?P`
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自己根据例子改的 %T%sGDCV  
为什么出来的衍射图和MATLAB的不一样的 ,T$U'&;  
相差很大 BM .~ 5\  
自己觉得不对 Id .nu/  
请高手指点一下