[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。 !Ri r&gF  
谢谢！ #Gd7M3  
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？ \<X2ns@Tf  
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SYSTEM NEW !Qcir&]C>  
RESET IJ0#iA. T  
UNITS  UM 'W' xHHV=M2l(s  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM ka#K [qI  
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PI=4*ATAN(1) x)3~il5  
COATING PROPERTIES jP+ pA e  
  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' "?P[9x}  
  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' eH
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  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' ;Xyte  
  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' , |l@j%  
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EDGE +1/b^Ac  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 .1LPlZ  
SMOOTH Y87XLvig}  
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SMOOTH MQJ%He"  
OBJECT >ukQ, CE~  
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!! DETECTOR +}U2@03I  
SURFACE ~p\n&{P0  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 nkRK+~>  
  OBJECT 'DETECTOR' 5}XvL'  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 :Jk33 N4y0  
    FACETS 4 4
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    REDEFINE COLOR 1 5,R`@&K3D  
    ROTATE X 90 @o&Ytd;i  
    SHIFT Y -10000 dMV=jJ%Y  
!! Verify Geometry f?^S bp
 
WINDOW Y Z w.uK?A>W,  
PLOT FACETS 7 7 OVERLAY 4sIXO   
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!! Define source 1 `eC+% O  
PARABASAL 4 =Dk7RKoHF  
BEAMS COHERENT DIFFRACT '_0  
WAVELENGTH 0.5 MICRONS cIb4-TeV  
WIDTHS 1.6 @VK6JjIq  
GRID RECT Y 100 -4@500 2@100 +xp*]a  
  SOURCE DIRECTION 0 -1 0 ,9\Snn  
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  FLUX 0 1 SOU 1 Jq)U</  
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TRACE PLOT COLOR 2 +/y]h0aa  
$VIEW DsGI/c  
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PIXELS 100 [;^,CD|P  
CONSIDER  ONLY DETECTOR ^N-'xy  
SPREAD NORMAL PS@*qTin  
WINDOW Z -2@(1500/2) X -2@(1500/2) qfrNi1\9-  
WINDOW 1  !! Enlarge by f4"4ZVcr  
SPREAD NORMAL :gf;}  
DISPLAY 6D/tK|  
  PICTURE  %w5[*V  
RETURN

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RESET ,S!w'0k|n  
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  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' F,T~\gO5,  
  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' dR+1aY;  
  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'  'Cc(3  
  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' 7bF*AYM  
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EDGE e:-8k_0|
 
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SMOOTH T3pdx~66  
ELLIPSE Y 0 500 500 16 0.0 360.0 DC:)Ysuj  
SMOOTH }V`mp  
OBJECT ]'h; {;ug  
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!! DETECTOR PDP[5q r  
SURFACE ax|1b`XUr"  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 Y*LaBxt Q  
  OBJECT 'DETECTOR' q
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    INTERFACE COATING ABSORB AIR SCHOTT_BK7 #YK5WTn5  
    FACETS 4 4 ~?U*6P)o  
    REDEFINE COLOR 1 I1"MPx{  
    ROTATE X 90 UVEz;<5@\  
    SHIFT Y -10000 CxF-Z7 '  
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!! Verify Geometry ||eAE)  
WINDOW Y Z 7r 0,> 3"  
PLOT FACETS 7 7 OVERLAY z" QJhCh7  
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!! Define source 1 kXc25y'blP  
PARABASAL 4 EKZVF`L  
BEAMS COHERENT DIFFRACT Z|*!y]W
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WAVELENGTH 0.5 MICRONS vkcRm`.  
WIDTHS 1.6 n(vDytrj;  
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GRID RECT Y 100 -4@500 2@100 B'weok  
  SOURCE DIRECTION 0 -1 0 !GK$
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  FLUX 0 1 SOU 1 .EP6oKA  
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TRACE PLOT COLOR 2 ,mFsM!|  
$VIEW -1r2K  
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PIXELS 100 ,/,9j{|"j  
CONSIDER  ONLY DETECTOR uCP>y6I  
SPREAD NORMAL r)T[(D'Tm-  
WINDOW Z -2@(1500/2) X -2@(1500/2) oC|WBS  
WINDOW 1  !! Enlarge by E]} n(  
SPREAD NORMAL C>QIrZu
  
&KC!*}<tx  
DISPLAY SpSnoVI  
  PICTURE {]}s#vvy  
RETURN X%{'<
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自己根据例子改的 6oL1_)  
为什么出来的衍射图和MATLAB的不一样的 $t=O:  
相差很大 \wav?;z  
自己觉得不对 H-5<S@8
 
请高手指点一下