[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 [;pL15-}4  
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这边有一个Michelson Interferometer, ZkqZO#nq C  
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, +lhnc{;WJv  
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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, HXb_k1n  
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但我这里无法看到, Jy P$'v~  
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请问该如何处理呢, -J;;6aA  
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下面是程式 xs^wRE_  
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--------------------------------------------------------------- @y/!`Ziw  
SYSTEM NEW {.r #j|  
RESET 6 2LLfD  
[{.9#cQ"  
UNITS CENTIMETERS v!j%<H`NI  
WAVELENGTH 632.8 NANOMETERS [e7nW9\l  
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WL=632.8E-7 fbW<c`LH  
PI=4*ATAN(1) 2. f8uq  
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COATING PROPERTIES ]Q -.Y-J/O  
  0.0  0.0  'ABSORB' A-l[f\  
  0.0  1.0  'TRANSMIT' Q#lFt,
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  1.0  0.0  'REFLECT' 3 p!t_y|SX  
  0.5  0.5  'BEAM_SPLITTER'
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@}ioK=A  
PL=100  !! Path length oC}2 Z{  
DIA=50  !! Diameter .RpWE.C  
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SURFACE ;{1
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  PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 59H~qE1Md  
  OBJECT 'PELLICLE' N=j$~,yG  
    INTERFACE COATING "BEAM_SPLITTER" AIR AIR P\%aJ'f~  
    FACETS 4 4 Tbj}04;I  
    REDEFINE COLOR 1 !X\aZ{}Q  
    ROTATE X 45 yL_\&v  
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!! Retro Reflector 1 sMcN[r  
SURFACE rw#?NI:  
  PLANE Z 0 ELLIPSE 2@(DIA/2) 5P[urOvV  
  OBJECT 'RETRO1_FRONT' {yM@3v~  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 [6CWgQ%Ue  
    FACETS 4 4 0,wmEV!)  
    REDEFINE COLOR 1 11B8 LX  
    ROTATE X -90 M%2w[<-8c  
    SHIFT Y (PL) H^JFPvEc  
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!! Retro Reflector 2 ?ajVf./Ja  
TILT_WAVES=2  !! Tilt in waves ^qNZ!V4T  
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees y'_2|5!Qs  
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SURFACE *
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  PLANE Z 0 ELLIPSE 2@(30) u-=VrHff^*  
  OBJECT 'RETRO2_FRONT' o`.5NUn  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 yJ?=HH?  
    FACETS 4 4 cHon' tS  
    REDEFINE COLOR 1 <tv"I-2  
    SHIFT Z (PL) 6SEq 2  
    ROTATE X (TILT) wRJ`RKJ-T  
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!! DETECTOR -Xt0=3,  
SURFACE 3aFD*S  
  PLANE Z 0 RECT 2@(DIA) r[P+F  
  OBJECT 'DETECTOR' YXIAVSnr  
    INTERFACE COAT ABSORB AIR SCHOTT_BK7 -*;JUSGh  
    FACETS 4 4 CK8!7=>}^  
    REDEFINE COLOR 1 c\VD8 :  
    ROTATE X 90  k<  
    !!ROTATE Z 45 2Zr,@LC  
    SHIFT Y -(PL) Rw|P$dbu  
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!! Verify Geometry ycrM8Mu 3  
WINDOW Y Z ?pV!`vp^{  
PLOT FACETS 7 7 OVERLAY Ub`vf4EB  
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!! Define source \Z_29L w=  
PARABASAL 4 d?A!0;(*  
BEAMS COHERENT DIFFRACT X{P=2h#g  
WAVELENGTH 6328 ANGSTROMS ;ibOd~  
WIDTHS 1.6 0xc|Wn>  
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 Ag}P  
  SOURCE DIRECTION Z 0 0 =gHUY&sPu8  
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TRACE PLOT COLOR 2 \`-a'u=S  
$VIEW )pG*_q  
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PIXELS 101 rVB\\  
CONSIDER ONLY DETECTOR H4uHCkj  
SPREAD NORMAL y0,>_MS  
WINDOW Z -2@(DIA/2) X -2@(DIA/2) KdC'#$  
WINDOW 1.2  !! Enlarge by 20% QFIYnxY9  
SPREAD NORMAL !CR#Fyt+9  
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DISPLAY m[tsG=X
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  PICTURE 4}Yn!
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RETURN eDsc_5I