[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。 bIm4s  
谢谢！ ^?{&v19m  
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？ g7323m1=  
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SYSTEM NEW A@o
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RESET u>;aQtK~  
UNITS  UM 'W' o|>=<l  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM A< .5=E,/  

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PI=4*ATAN(1) 4x ?NCD=k  
COATING PROPERTIES !84Lvg0&  
  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' MgP|'H3\  
  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' uPl7u1c  
  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' Xc+Yo
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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' Le
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EDGE V=fu[#<@Ig  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 )'jGf;du  
SMOOTH a1_ N~4r`
 
ELLIPSE Y 0 500 500 16 0.0 360.0 ts&\JbL  
SMOOTH 7kD?xHpe  
OBJECT q=e;P;u  
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!! DETECTOR y}FG5'5$13  
SURFACE zEQQ4)mA  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 5Bq;Vb  
  OBJECT 'DETECTOR' #k<l5x`  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 jCj8XM{c>  
    FACETS 4 4 C%z9Q  
    REDEFINE COLOR 1 zt]8F)l@  
    ROTATE X 90 )(YJ6l  
    SHIFT Y -10000 ?mV2|;  
!! Verify Geometry x-
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WINDOW Y Z xP9R d/xa|  
PLOT FACETS 7 7 OVERLAY zI"&g]TV5  
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!! Define source 1 r.@UH-2c  
PARABASAL 4 ,F!-17_vt  
BEAMS COHERENT DIFFRACT 6_8yQ  
WAVELENGTH 0.5 MICRONS {a>JQW5=  
WIDTHS 1.6 %/U'Wu{*  
GRID RECT Y 100 -4@500 2@100 "Aq
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  SOURCE DIRECTION 0 -1 0 /Re67cMQ*  
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  FLUX 0 1 SOU 1 8%; .H-  
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TRACE PLOT COLOR 2 @VND}{j  
$VIEW m-[xrVV  
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PIXELS 100 \(?d2$0m  
CONSIDER  ONLY DETECTOR f/kYm\Zc  
SPREAD NORMAL ^}gZ+!kA  
WINDOW Z -2@(1500/2) X -2@(1500/2) Q[!?SSX%  
WINDOW 1  !! Enlarge by SoCN.J30  
SPREAD NORMAL e'v_eD T^  
DISPLAY ls "Z4v(L6  
  PICTURE A|mE3q=  
RETURN

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SYSTEM NEW #\}xyPS  
RESET 3\B~`=*q/  
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UNITS  UM 'W' ]#rmk!VT?  
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COATING PROPERTIES I\82_t8  
  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? 2:?  
  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' BLo=@C%w5  
  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' |P"kJ45  
  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' I"jub kI=Z  
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EDGE }Do$oyAV$G  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 @%As>X<3t  
SMOOTH o l+*Oe  
ELLIPSE Y 0 500 500 16 0.0 360.0 #|}EPD9$  
SMOOTH eOd'i{f@F  
OBJECT OxVe}Fym  
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!! DETECTOR /.@"wAw:  
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  OBJECT 'DETECTOR' ohB@ijC!  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 )L7h:%h#  
    FACETS 4 4 140_WV?7  
    REDEFINE COLOR 1 k iY1  
    ROTATE X 90 -xU4s  
    SHIFT Y -10000 s\ YHT.O?  
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!! Verify Geometry *Ag,/Cm]  
WINDOW Y Z kR;Hb3hb  
PLOT FACETS 7 7 OVERLAY S8)6@ECC  
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!! Define source 1 %8g1h)F"S  
PARABASAL 4 </jTWc'}  
BEAMS COHERENT DIFFRACT 3g5 n>8-  
WAVELENGTH 0.5 MICRONS S/7?6y~  
WIDTHS 1.6 8~8VoU&  
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GRID RECT Y 100 -4@500 2@100 'P3jUc)  
  SOURCE DIRECTION 0 -1 0 4jdP3Q/  
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  FLUX 0 1 SOU 1 J'Y;j^  
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TRACE PLOT COLOR 2 C0%yGLh&  
$VIEW w>h\643  
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PIXELS 100 LF\HmKM,  
CONSIDER  ONLY DETECTOR Dt=@OZW  
SPREAD NORMAL :pvJpu$]  
WINDOW Z -2@(1500/2) X -2@(1500/2) ![j?/376  
WINDOW 1  !! Enlarge by 'nSo0cyQ  
SPREAD NORMAL R-J^%4U`7  
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DISPLAY {Etvu  
  PICTURE db
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RETURN 2$s2u;  
自己根据例子改的 25{-GaB
 
为什么出来的衍射图和MATLAB的不一样的 (]N- HN]v  
相差很大 yr/G1?k%ML  
自己觉得不对 sFV&e->AN\  
请高手指点一下