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    [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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    离线taker1986
     
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    只看楼主 倒序阅读 楼主  发表于: 2013-04-24
    o+)y!  
    要如何使用倾斜的detector看到不同周期的干涉条纹 s0:M'wA  
    y#8 W1%{x  
    这边有一个Michelson Interferometer, F1BXu@~e(  
    Z>3m-:-e  
    我试着调整DETECTOR的角度, 但它记录到的影像都一样, Y[_|sIy*  
    B/o8r4[80  
    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, ,k*%=TF7N  
    E " >`  
    但我这里无法看到, G B"Orm.  
    \)6bLB!  
    请问该如何处理呢, `)4v Q+A>  
    +H *6:  
    下面是程式 fE_%,DJE(  
    5#s],h  
    --------------------------------------------------------------- sI h5cT  
    SYSTEM NEW wwQ2\2w>Hm  
    RESET /y|ZAN  
    FP}I+Ys  
    UNITS CENTIMETERS Ryh 0r  
    WAVELENGTH 632.8 NANOMETERS :U=3*f.{  
    qL`yaU  
    WL=632.8E-7 w w[|| =  
    PI=4*ATAN(1) fM|s,'Q1x  
    A?$-Uqb"  
    COATING PROPERTIES 87W!R<G  
      0.0  0.0  'ABSORB' 3 S*KjY'@  
      0.0  1.0  'TRANSMIT' /8nUecr  
      1.0  0.0  'REFLECT' `& h-+  
      0.5  0.5  'BEAM_SPLITTER' 7l[ @c|e  
    D$>&K&  
    PL=100  !! Path length #:P$a%V  
    DIA=50  !! Diameter 5j$&Zgx51  
    I/!AjB8W4  
    SURFACE R9Wr?  
      PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 \13Q>iAu  
      OBJECT 'PELLICLE' S=.%aB  
        INTERFACE COATING "BEAM_SPLITTER" AIR AIR .MRN)p  
        FACETS 4 4 q5JQx**g  
        REDEFINE COLOR 1 </@5>hx/  
        ROTATE X 45 u[PG/ploc  
    9v;HE{>  
    !! Retro Reflector 1 HFTeG4R  
    SURFACE [CfZE  
      PLANE Z 0 ELLIPSE 2@(DIA/2) eThFRU3 F  
      OBJECT 'RETRO1_FRONT' &BNlMF  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 8F[ ;ma>Z8  
        FACETS 4 4 g/ShC8@=u  
        REDEFINE COLOR 1 UKV<Ye|  
        ROTATE X -90 );_/0:  
        SHIFT Y (PL) 9S[.ESI{>  
    4o;;'P   
    !! Retro Reflector 2 cWZ uph\  
    TILT_WAVES=2  !! Tilt in waves &4sz:y4T>  
    TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees n4M Xa()P1  
    KdYR?rY  
    SURFACE oXqJypR 2  
      PLANE Z 0 ELLIPSE 2@(30) ?U[6X| 1  
      OBJECT 'RETRO2_FRONT' SZLugyZ2Y  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 1 gcWw, /  
        FACETS 4 4 _-TW-{7bh  
        REDEFINE COLOR 1 maY.Z<lN  
        SHIFT Z (PL) RticGQy&5  
        ROTATE X (TILT) uDkX{<_Xe  
    qyFeq])  
    !! DETECTOR AXte&l=M  
    SURFACE _&U#*g  
      PLANE Z 0 RECT 2@(DIA) MffCk!]  
      OBJECT 'DETECTOR' reArXmU<u  
        INTERFACE COAT ABSORB AIR SCHOTT_BK7 X>Q44FV!  
        FACETS 4 4 iAk.pH]a  
        REDEFINE COLOR 1 l0URJRK{*  
        ROTATE X 90 "S6";G^I  
        !!ROTATE Z 45 :_:)S  
        SHIFT Y -(PL) >5Lp;  
    zv0sz])  
    !! Verify Geometry V*fv>f:Yv  
    WINDOW Y Z 1 I.P7_/  
    PLOT FACETS 7 7 OVERLAY 8#tuB8>  
    1n}#54  
    !! Define source 53ZbtEwhwr  
    PARABASAL 4 oqysfLJ  
    BEAMS COHERENT DIFFRACT _'1 ]CoR  
    WAVELENGTH 6328 ANGSTROMS oIx|)[  
    WIDTHS 1.6 E R~RBzp  
    rC!"<  
    GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 v<g~ EjzCf  
      SOURCE DIRECTION Z 0 0 4e eh+T  
    #_aq@)Fd  
    TRACE PLOT COLOR 2 SiaW; ks  
    $VIEW D}X6I#U'/  
    sR83e|4I  
    PIXELS 101 yEbo`/ ]b  
    CONSIDER ONLY DETECTOR 4%8den,|  
    SPREAD NORMAL iymN|KdpaZ  
    WINDOW Z -2@(DIA/2) X -2@(DIA/2) Gos# =H  
    WINDOW 1.2  !! Enlarge by 20% %xG<hNw/  
    SPREAD NORMAL |ka/5o  
    WjK[% ;Z!  
    DISPLAY ^0cbN[~/ns  
      PICTURE EirZ}fDJzB  
    RETURN hgW1g#  
     
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