[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。 h(M
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谢谢！ [y(AdZ0*  
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？ 1G62Qu$O  
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SYSTEM NEW TSHH=`cx  
RESET Jl|^  
UNITS  UM 'W' JDj^7\`  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM (X(c.Jj  
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PI=4*ATAN(1) (3fU2{sm  
COATING PROPERTIES 7R5!(g  
  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' #23m_w^L  
  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' 0f3C;u-q-  
  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' aT`. e  
  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' y&{ Z"+B5  

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EDGE \r7gubD  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 #7yy7Y5  
SMOOTH hD!9[Gb  
ELLIPSE Y 0 500 500 16 0.0 360.0 o; Ns-=  
SMOOTH 5X=ik7m^  
OBJECT h(H b+7g  
.1 .2 'EXTRUDED OBJECT' PP_fTacX  
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!! DETECTOR j~VHU89  
SURFACE )o>1=Y`[z  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 [V_?`M  
  OBJECT 'DETECTOR' rm nfyn  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 r]'Q5l4j6"  
    FACETS 4 4 X"pp l7o  
    REDEFINE COLOR 1 v'W`\MKY)  
    ROTATE X 90 W99Hq1W;r  
    SHIFT Y -10000 ]53'\TH  
!! Verify Geometry 2*1FW v  
WINDOW Y Z /'g"Ys?3  
PLOT FACETS 7 7 OVERLAY 1ps_zn(  
At=l>  
!! Define source 1 sg!*%*XQ  
PARABASAL 4 n`af2I2  
BEAMS COHERENT DIFFRACT 8 y+Nl&"V  
WAVELENGTH 0.5 MICRONS Vj{}cL"MR  
WIDTHS 1.6 J 8""}7D  
GRID RECT Y 100 -4@500 2@100 baL-~`(T  
  SOURCE DIRECTION 0 -1 0 m"RE[dQ  
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  FLUX 0 1 SOU 1 Up|>)WFw"  
   q\gvX 76a  
TRACE PLOT COLOR 2 UZq1qn@+  
$VIEW Z6XP..  
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PIXELS 100 eg vgi?y  
CONSIDER  ONLY DETECTOR |~I-  
SPREAD NORMAL zu-
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WINDOW Z -2@(1500/2) X -2@(1500/2) fW'U7&O  
WINDOW 1  !! Enlarge by  L4,Ke  
SPREAD NORMAL CWk65tcF  
DISPLAY "t\gkJyK  
  PICTURE m;]glAtt  
RETURN

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SYSTEM NEW s s*% 3<  
RESET p#Vh[UTl^  
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COATING PROPERTIES JM@}+pX  
  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' 6SIk,Isy8  
  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' 2AAZZx +$  
  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' u0@i3Po  
  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{X(Y]*1S  
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EDGE #iOoi9(  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 s2{d<0x?v  
SMOOTH KnC;j-j  
ELLIPSE Y 0 500 500 16 0.0 360.0 {i7Wp$ug  
SMOOTH }!i#1uHUH:  
OBJECT SJtQK-%wK>  
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!! DETECTOR D9;2w7v  
SURFACE LH4!QDK-  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 ^qaS  
  OBJECT 'DETECTOR' rS
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    INTERFACE COATING ABSORB AIR SCHOTT_BK7 H?~|Uj 6  
    FACETS 4 4 v:Av2y  
    REDEFINE COLOR 1 ERO'{nT&  
    ROTATE X 90 L*Mt/  
    SHIFT Y -10000 XA~Cc<v  
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!! Verify Geometry t?:}bw+m  
WINDOW Y Z 7|IOn5  
PLOT FACETS 7 7 OVERLAY zoV4Gl  
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!! Define source 1 ;/ iBP2
 
PARABASAL 4 }dl[~iKW  
BEAMS COHERENT DIFFRACT :Rh?#yO5  
WAVELENGTH 0.5 MICRONS F_9eju^|  
WIDTHS 1.6 Q2c|sK8  
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GRID RECT Y 100 -4@500 2@100 I
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  SOURCE DIRECTION 0 -1 0 8IYn9<L  
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  FLUX 0 1 SOU 1 qn VxP&  
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TRACE PLOT COLOR 2 Jhclg0q  
$VIEW cnQ;6LtFTz  
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PIXELS 100 x=g=
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CONSIDER  ONLY DETECTOR T
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SPREAD NORMAL ?MT V!i0  
WINDOW Z -2@(1500/2) X -2@(1500/2) jN\} l|;q  
WINDOW 1  !! Enlarge by lWr{v\L'  
SPREAD NORMAL w-%V9]J1  
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DISPLAY =.=4P~T&  
  PICTURE ~c&ygL3  
RETURN ^gb3DNV~y  
自己根据例子改的 "HCJ!  
为什么出来的衍射图和MATLAB的不一样的 >wz&{9ni  
相差很大 (yjx+K_[  
自己觉得不对
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请高手指点一下