[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。 J,E&Uz95%  
谢谢！ S?D2`b  
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？ o]jo R3  
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SYSTEM NEW NeNKOW#X  
RESET Va9vDb6  
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WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM N["(ZSS   
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PI=4*ATAN(1) Th"7p:SE?  
COATING PROPERTIES q.MM|;_u`  
  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' L5U>`lx6$  
  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' QO|ODW+D  
  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' "ebn0<cZ  
  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' R4{}ZT  
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OBJECT 0k3
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!! DETECTOR ULsz<Hj  
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  OBJECT 'DETECTOR' {%~Sbcq4F  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 mB_ba1r  
    FACETS 4 4 1q/z&@+B  
    REDEFINE COLOR 1 c*LnLK/m  
    ROTATE X 90
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    SHIFT Y -10000 MJ>(HJY6?%  
!! Verify Geometry 40+E#z)  
WINDOW Y Z ,![C8il,  
PLOT FACETS 7 7 OVERLAY vUj7rDT|  
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!! Define source 1 @-Gf+*GZys  
PARABASAL 4 ?p\'S w:  
BEAMS COHERENT DIFFRACT o1YhYA  
WAVELENGTH 0.5 MICRONS OhIUm4=|$  
WIDTHS 1.6 #16)7  
GRID RECT Y 100 -4@500 2@100 ]_5C5m  
  SOURCE DIRECTION 0 -1 0 {9Y@?  
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  FLUX 0 1 SOU 1 Rm6<"SLV  
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TRACE PLOT COLOR 2 +X.iJ$)  
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CONSIDER  ONLY DETECTOR rt t?4  
SPREAD NORMAL -%"MAIJnX  
WINDOW Z -2@(1500/2) X -2@(1500/2) <K|_M)/9  
WINDOW 1  !! Enlarge by B*K%&w10~  
SPREAD NORMAL )Z"7^i  
DISPLAY C+O`3wPZp  
  PICTURE CuU"s)  
RETURN

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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' ;bkS0Vmg  
  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' ~O|j*T  
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OBJECT HPtaW:J  
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!! DETECTOR Vk{0)W7  
SURFACE dKZffDTZ  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 [4PG_k[uTJ  
  OBJECT 'DETECTOR' XW5r@
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    INTERFACE COATING ABSORB AIR SCHOTT_BK7 z}u  
    FACETS 4 4 -%%2Pz0I  
    REDEFINE COLOR 1 /of,4aaK7  
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WINDOW Y Z N ?0V0B  
PLOT FACETS 7 7 OVERLAY LT:KZ|U9  
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!! Define source 1 g0_8:Gs}^  
PARABASAL 4 eX;"kO  
BEAMS COHERENT DIFFRACT 9b()ck-\F#  
WAVELENGTH 0.5 MICRONS Rz*%(2Vz  
WIDTHS 1.6 TpZ)v.w~l7  
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GRID RECT Y 100 -4@500 2@100 A!goR-J]  
  SOURCE DIRECTION 0 -1 0 70*Y4'u}A  
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  FLUX 0 1 SOU 1 <:>a51HBX  
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TRACE PLOT COLOR 2 M nH4p  
$VIEW 60^dzi!vs  
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PIXELS 100 BEifUgCh  
CONSIDER  ONLY DETECTOR a:v&pj+|<  
SPREAD NORMAL ~/iE  
WINDOW Z -2@(1500/2) X -2@(1500/2) 5A:b \  
WINDOW 1  !! Enlarge by m~#98ZJ^  
SPREAD NORMAL r5tv9#4]  
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DISPLAY hJ+>Xm@@!  
  PICTURE "P"~/<:)  
RETURN -~]*)&  
自己根据例子改的 JX`+b  
为什么出来的衍射图和MATLAB的不一样的 7p@qzE  
相差很大 ]rXRon='  
自己觉得不对 jrZM  
请高手指点一下