[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 mSs%gL]g  
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这边有一个Michelson Interferometer, U:H*b{`TU  
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, d}1R<Q;F  
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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, 8WMC ~  
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但我这里无法看到, yfj<P/aA+  
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请问该如何处理呢, 3LG)s:p$/  
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下面是程式 9kcAMk1K  
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--------------------------------------------------------------- !^w+<p  
SYSTEM NEW "Mth<%i  
RESET TWM
D f  
~e|~c<!z8@  
UNITS CENTIMETERS uXXwMc<p  
WAVELENGTH 632.8 NANOMETERS N7XRk=J  
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WL=632.8E-7 BQsy)H`4E  
PI=4*ATAN(1) YkTEAI|i  
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COATING PROPERTIES Jf2  
  0.0  0.0  'ABSORB' {C [7V{4(%  
  0.0  1.0  'TRANSMIT' 7P=j2;7 v  
  1.0  0.0  'REFLECT' pl5!Ih6  
  0.5  0.5  'BEAM_SPLITTER' >k"/:g^t  
Pt E>08  
PL=100  !! Path length )tB mSVprl  
DIA=50  !! Diameter 2|+**BxHD  
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SURFACE ^$VOC>>9  
  PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 Rh
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  OBJECT 'PELLICLE' .pZwhb  
    INTERFACE COATING "BEAM_SPLITTER" AIR AIR J?HYN%  
    FACETS 4 4 vV8}>  
    REDEFINE COLOR 1 MbYAK-l.h  
    ROTATE X 45 =F6J%$  
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!! Retro Reflector 1 aB.`'d)V  
SURFACE -3A#a_fu  
  PLANE Z 0 ELLIPSE 2@(DIA/2) B+ +:7!  
  OBJECT 'RETRO1_FRONT' Ao2t=vg  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 HKV]Rn  
    FACETS 4 4 El,p}Bi.  
    REDEFINE COLOR 1 al1Uf]xh  
    ROTATE X -90 WI' ;e4  
    SHIFT Y (PL) {2A/@$?  
7i`8 c =.  
!! Retro Reflector 2 dx?4)lb  
TILT_WAVES=2  !! Tilt in waves \f.ceh;!  
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees ZdfIe~Oni  
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SURFACE |d&a&6U:  
  PLANE Z 0 ELLIPSE 2@(30) ULj'DzlfH  
  OBJECT 'RETRO2_FRONT' ex1bjM7  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 GHfsq|*j,Z  
    FACETS 4 4 Qn_*(CSp  
    REDEFINE COLOR 1 d H]'&&M  
    SHIFT Z (PL) "*a^_tsT?i  
    ROTATE X (TILT) <GT&q <4w  
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!! DETECTOR j'
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SURFACE %&0_0BU  
  PLANE Z 0 RECT 2@(DIA) UoCFj2?C  
  OBJECT 'DETECTOR' se2ay_<F+  
    INTERFACE COAT ABSORB AIR SCHOTT_BK7 Cwl#(;@  
    FACETS 4 4 6x7pqHM  
    REDEFINE COLOR 1 {dTtYL$'"  
    ROTATE X 90 >8\EdN59{  
    !!ROTATE Z 45 Q
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    SHIFT Y -(PL) 8wMu^3r  

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!! Verify Geometry g4^=Q'j-  
WINDOW Y Z :=3Ty]e  
PLOT FACETS 7 7 OVERLAY Ep)rEq6  
FMhSHa/B  
!! Define source eTw sh]  
PARABASAL 4 kWZ?86!  
BEAMS COHERENT DIFFRACT 0rP`BK|  
WAVELENGTH 6328 ANGSTROMS Sxa+"0d6  
WIDTHS 1.6 E]/` JI'%  
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 eD2u!OKW!  
  SOURCE DIRECTION Z 0 0 9)}Nx>K  
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TRACE PLOT COLOR 2 w,f1F;!q1  
$VIEW JI##l:,7r  
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PIXELS 101 .93B@u  
CONSIDER ONLY DETECTOR J=Q?_$xb}  
SPREAD NORMAL gJz~~g'  
WINDOW Z -2@(DIA/2) X -2@(DIA/2) *uoc;6  
WINDOW 1.2  !! Enlarge by 20% x=s=~cu4,  
SPREAD NORMAL I@ "%iYL  
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DISPLAY FtHR.S=u  
  PICTURE M@%$9N)gd  
RETURN `tZm