[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。 \=AA,Il  
谢谢！ //U1mDFT  
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？ 4^tSg#!V{  
- {QU>`2  
SYSTEM NEW <+i(CGw  
RESET xc:E>-  
UNITS  UM 'W' CubQ6@,  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM ;*<tU n^t  
$J`O-"M  
PI=4*ATAN(1) MzJCiX^  
COATING PROPERTIES ;]>kp^C#  
  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' GM%+yS}(P  
  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' hmO2s/~  
  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' / (&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' }}AIpYp,P  
/BL:"t@-  
EDGE k$w~JO!s  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 .Pc>1#z&[  
SMOOTH +I3jI <  
ELLIPSE Y 0 500 500 16 0.0 360.0 LVj1NP  
SMOOTH b(H{i}{]  
OBJECT cO~<iy  
.1 .2 'EXTRUDED OBJECT' ;c(a)_1  
           MtLWpi u@[  
!! DETECTOR gg'1q3OjM  
SURFACE 2/LSB8n|  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 zUfq.   
  OBJECT 'DETECTOR' m[9.'@ye  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 2ym(fk.6{  
    FACETS 4 4 rFRcK>X\L  
    REDEFINE COLOR 1 5)k8(kH  
    ROTATE X 90 Xn6#q3;^|  
    SHIFT Y -10000 8Bf>  
!! Verify Geometry BG>Y[u\N  
WINDOW Y Z ~MC|  
PLOT FACETS 7 7 OVERLAY Kc/1LeAi
k  
)dXa:h0RZ  
!! Define source 1 {Su?*M2y  
PARABASAL 4 iNO>'7s7  
BEAMS COHERENT DIFFRACT q2qi~}l  
WAVELENGTH 0.5 MICRONS $*yYmF  
WIDTHS 1.6 #2{-6ey  
GRID RECT Y 100 -4@500 2@100 L:R4&|E/t
 
  SOURCE DIRECTION 0 -1 0 NB-dlv1  
   sVLvnX,  
  FLUX 0 1 SOU 1 BQ@7^E[  
   1Ms[$$b$  
TRACE PLOT COLOR 2 j]Auun  
$VIEW WJShN~ E  
   d+9V% T  
PIXELS 100 /sE,2X*BT  
CONSIDER  ONLY DETECTOR d>NGCe  
SPREAD NORMAL ,T/Gv;wa2  
WINDOW Z -2@(1500/2) X -2@(1500/2) 7=G2sOC  
WINDOW 1  !! Enlarge by R=D]:u<P  
SPREAD NORMAL Wh[QR-7Ew  
DISPLAY 44]s`QyG  
  PICTURE rPV Q#iB  
RETURN

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SYSTEM NEW /]
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RESET YEL0h0gn  
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UNITS  UM 'W' uYJS=NGNA  
WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM @CprC]X  
MK&,2>m,A  
Y]z :^D  
PI=4*ATAN(1) j-<]OOD  
]a $6QS  
COATING PROPERTIES r$7.  
  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  'ABSORB' ?OD$`{1  
  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' PmR].Ohzi  
  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' v 6~9)\!j  
  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' q+g,?;Yx  
C{exvLQ  
z7K{ ,y  
EDGE L2}\Ah"[  
RECTANGLE Y 0 10000 10000 16 0.0 360.0 -Q WvB  
SMOOTH z.vQ1~s  
ELLIPSE Y 0 500 500 16 0.0 360.0 =i/Df?  
SMOOTH OO:S2-]Y>e  
OBJECT /{T&l*'  
.1 .2 'EXTRUDED OBJECT' O-?rFNavxp  
           mdi!Q1pS  
!! DETECTOR 'aSsyD!?<  
SURFACE 0PzSp ]  
  PLANE Z 0 RECTANGLE (1000/2) (1000/2) 0 0 0 KVi6vdgD  
  OBJECT 'DETECTOR' rrD
6x>  
    INTERFACE COATING ABSORB AIR SCHOTT_BK7 Xp<q`w0I,  
    FACETS 4 4 lriezI  
    REDEFINE COLOR 1 M2$/x`\-~  
    ROTATE X 90 ,
d"T2Hy  
    SHIFT Y -10000 ;6tra_  
19 5_1?'<  
!! Verify Geometry Z@~gN5@,M  
WINDOW Y Z !np_B0`  
PLOT FACETS 7 7 OVERLAY ~i,d%a  
9~SPoR/_0  
0.MB;gm:  
!! Define source 1 -(vHy/Hz.  
PARABASAL 4 P,v7twc0M  
BEAMS COHERENT DIFFRACT Vt`4u5HG  
WAVELENGTH 0.5 MICRONS 26V6Y2X  
WIDTHS 1.6 SN6 QX!3  
dOjly,!  
GRID RECT Y 100 -4@500 2@100 6pt,]FlU  
  SOURCE DIRECTION 0 -1 0 vYg
Ju-Sl  
   B'Yx/c&n  
  FLUX 0 1 SOU 1 >AEp\*  
K\xz|Gq  

:~-:  
TRACE PLOT COLOR 2 /b+~BvTh  
$VIEW [(X~C*VdxM  
Z+xkN  
PIXELS 100 <ZC.9  
CONSIDER  ONLY DETECTOR fB2ILRc  
SPREAD NORMAL d59rq<yI  
WINDOW Z -2@(1500/2) X -2@(1500/2) >d 5-if  
WINDOW 1  !! Enlarge by R|?n  
SPREAD NORMAL 5ibr1zs  
CL<-3y*  
DISPLAY ={g"cx  
  PICTURE oodA&0{)d  
RETURN |
nMjv]#  
自己根据例子改的 7%h;To-<6  
为什么出来的衍射图和MATLAB的不一样的 '5}hm1,  
相差很大 RDps{),E;d  
自己觉得不对 ys=2!P-[#  
请高手指点一下