[求助]要如何使用倾斜的detector看到不同周期的干涉条纹 [复制链接]

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要如何使用倾斜的detector看到不同周期的干涉条纹 6<fG;:  
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这边有一个Michelson Interferometer, 'plUs<A  
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, qA`@~\qh"  
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照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, $rr@3H+  
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但我这里无法看到, ~v pIy-  
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请问该如何处理呢, wW)(mY?   
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下面是程式 {CBb^BP  
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--------------------------------------------------------------- jTt9;?)  
SYSTEM NEW _~\} fY  
RESET ZM v\j|{8  
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UNITS CENTIMETERS jED.0,+K!  
WAVELENGTH 632.8 NANOMETERS sr&W+4T  
81s }4  
WL=632.8E-7 -/{FGbpR;  
PI=4*ATAN(1) [ fzYC'A=  
#*_!Xc9f  
COATING PROPERTIES |M5#jVXj  
  0.0  0.0  'ABSORB' g:JSy  
  0.0  1.0  'TRANSMIT' MSvZ3[5Io  
  1.0  0.0  'REFLECT' .|R4E  
  0.5  0.5  'BEAM_SPLITTER' ws!~MSIy  
hPBBXj/=  
PL=100  !! Path length &U|c=$!\  
DIA=50  !! Diameter p5or"tK  
EXVZ?NG  
SURFACE 2y^:T'p  
  PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 b=:ud[h  
  OBJECT 'PELLICLE' OmBz's
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    INTERFACE COATING "BEAM_SPLITTER" AIR AIR |w{Qwf!2  
    FACETS 4 4 o68i0aFW  
    REDEFINE COLOR 1 N2A6C$s  
    ROTATE X 45 si6CWsb_f  
b1 w@toc  
!! Retro Reflector 1 iD_y@+iz  
SURFACE =cjO]  
  PLANE Z 0 ELLIPSE 2@(DIA/2) I)FFh%m<}a  
  OBJECT 'RETRO1_FRONT' 6 V0Ayxg7  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 0@cIj ]  
    FACETS 4 4 J}xM+l7uY  
    REDEFINE COLOR 1 ( uD^_N]3  
    ROTATE X -90 -]zb3P  
    SHIFT Y (PL) &Z]}rn  
~>=.^  
!! Retro Reflector 2 65~E<)UJ  
TILT_WAVES=2  !! Tilt in waves NC-K`)  
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees 5<ruN11G  
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SURFACE PJN9[Y{^3  
  PLANE Z 0 ELLIPSE 2@(30) Hm'"I!jyO  
  OBJECT 'RETRO2_FRONT' $]E+E.P  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7
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    FACETS 4 4 !mUJ["#  
    REDEFINE COLOR 1 fIQ,}>  
    SHIFT Z (PL) CipDeqau2  
    ROTATE X (TILT) `K.B`  
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!! DETECTOR ~bb6NP;'L  
SURFACE kMch   
  PLANE Z 0 RECT 2@(DIA) raPOF6-_rH  
  OBJECT 'DETECTOR' @s-P!uCaT  
    INTERFACE COAT ABSORB AIR SCHOTT_BK7 I{(!h90  
    FACETS 4 4 3qe`#j  
    REDEFINE COLOR 1 OmWEa  
    ROTATE X 90 "PI;
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    !!ROTATE Z 45 ,jg #^47I  
    SHIFT Y -(PL) `X@\Zv=}  
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!! Verify Geometry ch0^g8@Q[  
WINDOW Y Z F
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PLOT FACETS 7 7 OVERLAY >EJ{ *  
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!! Define source I &iyj99n  
PARABASAL 4 H;nzo3x  
BEAMS COHERENT DIFFRACT E72N=7v"  
WAVELENGTH 6328 ANGSTROMS }/1^Lqfnz  
WIDTHS 1.6 YTefEG]|q  
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 q%;cu1^"M  
  SOURCE DIRECTION Z 0 0 L!Y|`P#Yr  
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TRACE PLOT COLOR 2 ; D
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$VIEW 2v ~8fr4
  
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PIXELS 101 }}TPu8Rl  
CONSIDER ONLY DETECTOR ^R@)CIQ  
SPREAD NORMAL 2PSExK57  
WINDOW Z -2@(DIA/2) X -2@(DIA/2) GCN-T1HvA2  
WINDOW 1.2  !! Enlarge by 20% 49*f=gpGj2  
SPREAD NORMAL 1iz =i^}  
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DISPLAY
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  PICTURE 5\
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RETURN Hu<]*(lK%