[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。 YkFLNCg4}  
谢谢！ XO?WxL9k]  
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？ 2*`kkS  

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SYSTEM NEW 8HLL3H0  
RESET 5,XEN$^  
UNITS  UM 'W' Z*3RI5)dx  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM l5^Q
  
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PI=4*ATAN(1) Bkq4V$D_  
COATING PROPERTIES 7n .A QII  
  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  'ABSORB' c[M4l  
  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0   'TRANSMIT' DmgDhNXKq  
  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0   'REFLECT' _gK}Gi?|  
  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  0.5  'BEAM_SPLITTER' [4qvQ7Y !  
uYs45 G  
EDGE DHn\ =M  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 ,~$sJ2 g7  
SMOOTH CaCApL  
ELLIPSE Y 0 500 500 16 0.0 360.0 P2ySjgd  
SMOOTH ~-sgk"$  
OBJECT 2va[= >_  
.1 .2 'EXTRUDED OBJECT' T@vE@D  
           gF9GU5T:  
!! DETECTOR s'tXb=!HO  
SURFACE &0*l:uw  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 ?-&k?I  
  OBJECT 'DETECTOR' "(H%m9K  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 lu>G=uCJ  
    FACETS 4 4 u7J:ipyiq2  
    REDEFINE COLOR 1 dh{py  
    ROTATE X 90 &Pv$nMB$I  
    SHIFT Y -10000 5![ILa_  
!! Verify Geometry ]c_lNHssmq  
WINDOW Y Z .y
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PLOT FACETS 7 7 OVERLAY BHz_1+d  
2PPb  
!! Define source 1 F_@` <d!  
PARABASAL 4 A][ ;v  
BEAMS COHERENT DIFFRACT :1t&>x=T  
WAVELENGTH 0.5 MICRONS :k_)Bh?+  
WIDTHS 1.6 @CR<&^s5V  
GRID RECT Y 100 -4@500 2@100 9gK1Gx:  
  SOURCE DIRECTION 0 -1 0 {1UU `d  
   7dB_q}<  
  FLUX 0 1 SOU 1 _,F\%}  
   #.]W>hN8\  
TRACE PLOT COLOR 2 WM$Z?CN%KB  
$VIEW Vd.XZ*}r*  
   5't
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PIXELS 100 9nO&d(r g  
CONSIDER  ONLY DETECTOR wuCZz{c7  
SPREAD NORMAL !f!YMpN  
WINDOW Z -2@(1500/2) X -2@(1500/2) &j'k9C2p  
WINDOW 1  !! Enlarge by ~ c~j  
SPREAD NORMAL  5B1,,8P  
DISPLAY p8s%bPjK  
  PICTURE [D?xd/G  
RETURN

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SYSTEM NEW P4MP`A  
RESET URh5ajoR%  
T sJ71  
UNITS  UM 'W' ?q'r9Ehe  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM Vz5<Gr  
Z +<Y.*6  
]YDqmIW  
PI=4*ATAN(1) @6U&7
!  
Frhm4H%,_R  
COATING PROPERTIES z%6egi>  
  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' eEmLl(Lb  
  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' 1mEW]z  
  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' oY@]&A^ah  
  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' Eh`W J~  
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)gR3S%Ju  
EDGE eLyIQoW  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 9FT=
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SMOOTH ;ov}%t>UD  
ELLIPSE Y 0 500 500 16 0.0 360.0 x||b:2  
SMOOTH QX-M'ur99  
OBJECT ,.gI'YPQC  
.1 .2 'EXTRUDED OBJECT' LR17ilaa'  
           z8};(I>)  
!! DETECTOR 38JU-aq  
SURFACE l4^8$@;s  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 lFgE{;z@  
  OBJECT 'DETECTOR' ?N%5c%oF  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 Ujly\ix`  
    FACETS 4 4 I|mxyyf  
    REDEFINE COLOR 1 `\-MpNw  
    ROTATE X 90 ! }awlv;  
    SHIFT Y -10000 L\<J|87p?  
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!! Verify Geometry 
YGq-AB  
WINDOW Y Z ;u%4K$   
PLOT FACETS 7 7 OVERLAY pq5bK0NQ  
abV,]x&.0  
'ka"0~:NS{  
!! Define source 1 Au?(_*/0  
PARABASAL 4 %x$mAOUv  
BEAMS COHERENT DIFFRACT &cx]7
:;  
WAVELENGTH 0.5 MICRONS t`4o&vsj=  
WIDTHS 1.6 ]"1\z>Hg  
[  **F  
GRID RECT Y 100 -4@500 2@100 yj`xOncE}  
  SOURCE DIRECTION 0 -1 0 0k|/]zfb  
   CwfGp[|}e  
  FLUX 0 1 SOU 1 gem+$TFq  
-(.\> F  
<=~'Pd-f(  
TRACE PLOT COLOR 2 ]h&?^
L<.  
$VIEW `JG7Pl/ih  
O`(it%Ho!  
PIXELS 100 Z@:R'u2Lk  
CONSIDER  ONLY DETECTOR V P4ToYc  
SPREAD NORMAL O/4)aW3B  
WINDOW Z -2@(1500/2) X -2@(1500/2) 7otqGE\2  
WINDOW 1  !! Enlarge by B.[5N;c  
SPREAD NORMAL =}4lx^`oeT  
V=H}Ecd  
DISPLAY l_*:StyR+  
  PICTURE }A_>J7w  
RETURN 27jZ~Bp$  
自己根据例子改的 %^8>=  
为什么出来的衍射图和MATLAB的不一样的 Z{.L_]$I  
相差很大 D61e  
自己觉得不对 Fqp~1>wi  
请高手指点一下