[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。 Q'n+K5&p  
谢谢！ zpwoK&T+  
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？ qKD  
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SYSTEM NEW jc"sPrv5  
RESET "kP,v&n  
UNITS  UM 'W' $bG*f*w  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM J
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PI=4*ATAN(1) 56)!&MF  
COATING PROPERTIES B/;>v  
  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  'ABSORB' [_JdV(]$  
  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' `TPIc  
  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' %4nf(|8n  
  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} 2I  
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EDGE 486\a  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 1\fx57a\  
SMOOTH (c[u_~ ;  
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SMOOTH VFf;|PHS  
OBJECT L?/AKg  
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!! DETECTOR Q#3}AO  
SURFACE Z;G*wM"  
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  OBJECT 'DETECTOR' s;I @En  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 svmb~n&x6  
    FACETS 4 4 $0 .6No_|  
    REDEFINE COLOR 1 !K(  
    ROTATE X 90 nriSVG
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    SHIFT Y -10000 UDI\o1Rbp  
!! Verify Geometry 4*}
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WINDOW Y Z S'!&,Dxq^  
PLOT FACETS 7 7 OVERLAY oT\K P  
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!! Define source 1 { YQS fk  
PARABASAL 4 B2kZ_4rB  
BEAMS COHERENT DIFFRACT ~ L4NK#  
WAVELENGTH 0.5 MICRONS :
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WIDTHS 1.6 6]iU-k0b  
GRID RECT Y 100 -4@500 2@100 lNxP  
  SOURCE DIRECTION 0 -1 0 f!kZyD7  
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  FLUX 0 1 SOU 1 inU5eronuj  
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TRACE PLOT COLOR 2 [p6:uNo  
$VIEW {`D]%e
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PIXELS 100 EK4%4<"  
CONSIDER  ONLY DETECTOR Q$ew.h  
SPREAD NORMAL 4"@;.C""  
WINDOW Z -2@(1500/2) X -2@(1500/2) ZRf9'UwS  
WINDOW 1  !! Enlarge by .L^*9Y0)  
SPREAD NORMAL Bg),Q8\I  
DISPLAY 3g4=as4w  
  PICTURE /}6I3n  
RETURN

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SYSTEM NEW P-B5-Nz  
RESET FQ0&{ulb  
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UNITS  UM 'W' {x
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WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM X`_tm3HC  
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COATING PROPERTIES SLEOcOAmD  
  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' ifS#9N|8  
  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' JRC2+BU /  
  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=-o5  
  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' nam]eW  
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EDGE m4~
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RECTANGLE Y 0 10000 10000 16 0.0 360.0 EeMKo  
SMOOTH =iB[sLEJ  
ELLIPSE Y 0 500 500 16 0.0 360.0 zlP{1z;nV  
SMOOTH G~y:ZEnN[  
OBJECT +JYb)rn$^  
.1 .2 'EXTRUDED OBJECT' Wi=zu[[qc  
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!! DETECTOR _'w:Sx?d7  
SURFACE Jf4` 2KN\  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 vWmp?m  
  OBJECT 'DETECTOR' b;D  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 wtSU43D  
    FACETS 4 4 aPlEM_escS  
    REDEFINE COLOR 1 WYF8?1dt +  
    ROTATE X 90 .f0qgmIyL  
    SHIFT Y -10000 Ws5N|g  
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!! Verify Geometry A-1KTD  
WINDOW Y Z ;76+J)  
PLOT FACETS 7 7 OVERLAY 9b >+ehjB  
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!! Define source 1 P7W|e~]Yq  
PARABASAL 4 7WH'GoBh  
BEAMS COHERENT DIFFRACT nGWy4rY2S  
WAVELENGTH 0.5 MICRONS \(7A7~  
WIDTHS 1.6 9O&m7]3  
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GRID RECT Y 100 -4@500 2@100
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  SOURCE DIRECTION 0 -1 0 <D:q4t  
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  FLUX 0 1 SOU 1 .!<yTh  
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TRACE PLOT COLOR 2 l[_antokn  
$VIEW '*XIp:  
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PIXELS 100 j~Fd8]@  
CONSIDER  ONLY DETECTOR p#w8$Qjp  
SPREAD NORMAL c;/vzIJj  
WINDOW Z -2@(1500/2) X -2@(1500/2) W=EcbH9/.)  
WINDOW 1  !! Enlarge by Tv'1IE  
SPREAD NORMAL }l+_KA  
;;i419  
DISPLAY c nv%J}wq  
  PICTURE ,&3+w~Ua  
RETURN p:b{>lM  
自己根据例子改的 Oto8?4[n  
为什么出来的衍射图和MATLAB的不一样的 * G*VY#L  
相差很大 $-]G6r  
自己觉得不对 5N>flQ  
请高手指点一下