[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。 m?[F)<~a  
谢谢！ ^4s#nf:}  
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？ #7Qn\C2  
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SYSTEM NEW 2jx""{  
RESET ?_HTOOa  
UNITS  UM 'W' D#(A?oN  
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PI=4*ATAN(1) dR$P-V\y`%  
COATING PROPERTIES -
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  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  'ABSORB' v+
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  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0   'TRANSMIT'
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  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0   'REFLECT' /eIwv31  
  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  'BEAM_SPLITTER' &X|z(vSJ$  
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EDGE _
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RECTANGLE Y 0 10000 10000 16 0.0 360.0 _^SNI~  
SMOOTH 6GJ?rE E/  
ELLIPSE Y 0 500 500 16 0.0 360.0 u=ENf1{ $>  
SMOOTH RCxqqUS\C  
OBJECT bZ3CJ f&mE  
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!! DETECTOR !_x-aro3<  
SURFACE ,{E'k
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  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 YdeSJ(:  
  OBJECT 'DETECTOR' a2).Az  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7
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    FACETS 4 4 $]Fe9E?   
    REDEFINE COLOR 1 >TL0hBaaR  
    ROTATE X 90 B'~.>,fg  
    SHIFT Y -10000 N|7._AR2  
!! Verify Geometry Nb B`6@r  
WINDOW Y Z R \`,Q'3  
PLOT FACETS 7 7 OVERLAY c-s ~q/  
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!! Define source 1 mg#+%v  
PARABASAL 4 z&-3H/   
BEAMS COHERENT DIFFRACT M%$zor  
WAVELENGTH 0.5 MICRONS ["@K~my~D*  
WIDTHS 1.6 2Db[dk( ]  
GRID RECT Y 100 -4@500 2@100 6J&L5E  
  SOURCE DIRECTION 0 -1 0 V$:v~*Y9  
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  FLUX 0 1 SOU 1 n*_FC  
   W6wgX0H  
TRACE PLOT COLOR 2 E-!`6  
$VIEW /u#uC(Uwl  
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PIXELS 100 tSQ>P -O  
CONSIDER  ONLY DETECTOR wt)tLMEv  
SPREAD NORMAL %Xp}d5-  
WINDOW Z -2@(1500/2) X -2@(1500/2) B-eYWt8s  
WINDOW 1  !! Enlarge by $=H\#e)]Ug  
SPREAD NORMAL BQw#PXp3  
DISPLAY V1"+4&R^T_  
  PICTURE 501|Y6ptl  
RETURN

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SYSTEM NEW k*lrE4
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RESET E#_}y}7JY  
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UNITS  UM 'W' [n66ZY#U]  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM BIX%Bu0'f  
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PI=4*ATAN(1) l} h<2  
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COATING PROPERTIES #msk'MVt  
  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' ^V>sNR  
  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' WFLT[
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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' I_eYTy-a`1  
  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' T
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ELLIPSE Y 0 500 500 16 0.0 360.0 |\Qr cf  
SMOOTH G|X1c}zAL  
OBJECT l
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.1 .2 'EXTRUDED OBJECT' uKtrG,/ p  
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!! DETECTOR xOD;pRZQ  
SURFACE 0UlaB sv  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 ,/JrQWgD  
  OBJECT 'DETECTOR' K+Ehj(eF  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 v)J
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    FACETS 4 4 ~vaV=})  
    REDEFINE COLOR 1 \+S~N:@><k  
    ROTATE X 90 lusINILc  
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!! Verify Geometry d) G7U$z~  
WINDOW Y Z Z\O ,9  
PLOT FACETS 7 7 OVERLAY R}Z"Yxx  
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!! Define source 1 --.:eFE/  
PARABASAL 4 Wu:vO2aw8  
BEAMS COHERENT DIFFRACT #).om*Xh  
WAVELENGTH 0.5 MICRONS hGD7/qTN  
WIDTHS 1.6 n5oB#>tI0  
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GRID RECT Y 100 -4@500 2@100 -\AB!#fh  
  SOURCE DIRECTION 0 -1 0 [0F+t,`  
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  FLUX 0 1 SOU 1 j[) i>Qw  
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TRACE PLOT COLOR 2 R7Hn8;..  
$VIEW #.a4}ya19  
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PIXELS 100 XQ,IEj|  
CONSIDER  ONLY DETECTOR 5K{(V^88F  
SPREAD NORMAL `;5UlkVZ5  
WINDOW Z -2@(1500/2) X -2@(1500/2) BJ~Q\Si6  
WINDOW 1  !! Enlarge by yBht4"\Al  
SPREAD NORMAL uoaF(F-  
#y}@FG  
DISPLAY w0tlF:Eg  
  PICTURE @wZ`;J%  
RETURN z15(8Y@2]  
自己根据例子改的 : bT*cgD{  
为什么出来的衍射图和MATLAB的不一样的 7Dom[f  
相差很大 `H^Nc\P#  
自己觉得不对 r/:s2oQ  
请高手指点一下