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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 正序阅读 楼主  发表于: 2013-04-24
    x0*{oP  
    要如何使用倾斜的detector看到不同周期的干涉条纹 eL!41_QI  
    *GP2>oEM  
    这边有一个Michelson Interferometer, VFHd2Ea(  
    H}@:Bri  
    我试着调整DETECTOR的角度, 但它记录到的影像都一样, k9|5TLXq?  
    cNs'GfD}  
    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, G dgL}"*F  
    .R9Z$Kbq  
    但我这里无法看到, U, 6iT  
    YIU3}sJ!  
    请问该如何处理呢, 5E:$\z;  
    pl[J!d.c  
    下面是程式 rr<E#w  
    B5e9'X^ [  
    --------------------------------------------------------------- D28`?B9 (  
    SYSTEM NEW 2h E(h  
    RESET ?GhyVXS y.  
    5En6f`nR{  
    UNITS CENTIMETERS 1v o)]ff  
    WAVELENGTH 632.8 NANOMETERS K%(y<%Xp  
    lOIk$"Ne  
    WL=632.8E-7 ,S)r%[ru^  
    PI=4*ATAN(1) b}J%4Lx%m  
    %|Ps|iV  
    COATING PROPERTIES IG-\&  
      0.0  0.0  'ABSORB' 5xY{Q  
      0.0  1.0  'TRANSMIT' =;}W)V|X)S  
      1.0  0.0  'REFLECT' BHXi g~d  
      0.5  0.5  'BEAM_SPLITTER' 6CJMQi,kn  
    !-gU~0  
    PL=100  !! Path length n,la<N]  
    DIA=50  !! Diameter &W `xZyb3  
    >}5?`.K~Q*  
    SURFACE gk]QR.  
      PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 g7oY1;  
      OBJECT 'PELLICLE' NnZW@ln"|  
        INTERFACE COATING "BEAM_SPLITTER" AIR AIR "fFSZ@,r  
        FACETS 4 4 KKeMi@N  
        REDEFINE COLOR 1 \P\Z<z7jy  
        ROTATE X 45 qnm_#!&uHT  
    JAbUK[:K  
    !! Retro Reflector 1 "kg`TJf=  
    SURFACE #-hO\ QdC  
      PLANE Z 0 ELLIPSE 2@(DIA/2) nHK(3Z4G  
      OBJECT 'RETRO1_FRONT' eH&F gmU  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 yNu_>!Cp5  
        FACETS 4 4 *zfgO pK  
        REDEFINE COLOR 1 S0$^|/Sr  
        ROTATE X -90 UD I{4+z  
        SHIFT Y (PL) x)5}:b1B=  
    ZWs   
    !! Retro Reflector 2 tDByOml8Ix  
    TILT_WAVES=2  !! Tilt in waves )U^=`* 7  
    TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees  Et>#&Nw8  
    3? {AGJ1  
    SURFACE "TRS(d|3  
      PLANE Z 0 ELLIPSE 2@(30) mh }M|h5Im  
      OBJECT 'RETRO2_FRONT' 9hp&HL)BOa  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 Uqr>8|t?  
        FACETS 4 4 yzK;  
        REDEFINE COLOR 1 p|UL<M9{a]  
        SHIFT Z (PL) OG\i?N  
        ROTATE X (TILT) {@Wv@H+4  
    Hxu5Dx5![  
    !! DETECTOR .hTqZvDa  
    SURFACE =u~nLL  
      PLANE Z 0 RECT 2@(DIA) %&ejO= r  
      OBJECT 'DETECTOR' Q PH=`s  
        INTERFACE COAT ABSORB AIR SCHOTT_BK7 `y8pwWo-o  
        FACETS 4 4 j50vPV8m  
        REDEFINE COLOR 1 i,Ct AbMx  
        ROTATE X 90  tm1 =  
        !!ROTATE Z 45 r924!zdbR  
        SHIFT Y -(PL) ?HEqv$n  
    $ {yc t  
    !! Verify Geometry L3&Ys3-h  
    WINDOW Y Z bQ< qdGa  
    PLOT FACETS 7 7 OVERLAY .35(MFvq!  
    nep#L>LP$x  
    !! Define source =~^b  
    PARABASAL 4 -YoL.`s1   
    BEAMS COHERENT DIFFRACT kUT2/3Vi  
    WAVELENGTH 6328 ANGSTROMS blc?[ [,!  
    WIDTHS 1.6 Xr*I`BJ  
    MBLZ:A| C  
    GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 k %I83,+  
      SOURCE DIRECTION Z 0 0 j,n:%5P\v  
    iOL$|Z(  
    TRACE PLOT COLOR 2 p_$^keOL  
    $VIEW  F/Goq`  
    }1a}pm2p  
    PIXELS 101 /ViY:-8s  
    CONSIDER ONLY DETECTOR LF|0lAr  
    SPREAD NORMAL zAgX{$/Fg  
    WINDOW Z -2@(DIA/2) X -2@(DIA/2) *A-_*A  
    WINDOW 1.2  !! Enlarge by 20% w[~G^x&  
    SPREAD NORMAL ( eV,f  
    x#{!hL 5G  
    DISPLAY 84ij4ZYe  
      PICTURE +Z`=iia>  
    RETURN F^Ut ZG+  
     
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