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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
    a*g7uaoP  
    要如何使用倾斜的detector看到不同周期的干涉条纹 AB1.l hR  
    @}8~TbP  
    这边有一个Michelson Interferometer, 6zf3A:]&{  
    A@o:mZ+XN(  
    我试着调整DETECTOR的角度, 但它记录到的影像都一样, Jj :Bi&C  
    UgBD| ~zu  
    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, "7. lsL5  
    4L`<xX;:{  
    但我这里无法看到, 0Gr^#`  
    xyvG+K&  
    请问该如何处理呢, U^@8ebv  
    z/Kjz$l!  
    下面是程式 5{esL4k  
    ~*-%tFSv  
    --------------------------------------------------------------- A{QXzoWkg0  
    SYSTEM NEW !i dQ-&  
    RESET rZt7C(FM$7  
    l"ZfgJ}W  
    UNITS CENTIMETERS ,o{|W9  
    WAVELENGTH 632.8 NANOMETERS .R<Ke\y/  
    5'mpd  
    WL=632.8E-7 j0eGg::  
    PI=4*ATAN(1) p`CVq`k  
    n1mqe*Mvs/  
    COATING PROPERTIES +kXj+2  
      0.0  0.0  'ABSORB' Q 6)5*o8n  
      0.0  1.0  'TRANSMIT' |rhCQ"H  
      1.0  0.0  'REFLECT' OSDx  
      0.5  0.5  'BEAM_SPLITTER' r'GD  
    5IsRIz[`TK  
    PL=100  !! Path length -2`D(xC  
    DIA=50  !! Diameter /;K?Y#mf~j  
    ?u)[xEx6}+  
    SURFACE }Efz+>F 02  
      PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 ':[:12y[  
      OBJECT 'PELLICLE' ,O;+fhUJ(  
        INTERFACE COATING "BEAM_SPLITTER" AIR AIR xwm-)~L4T  
        FACETS 4 4 "\:ZH[j  
        REDEFINE COLOR 1 ?#cX_  
        ROTATE X 45 w2mLL?P  
    bktw?{h  
    !! Retro Reflector 1 }_A#O|dxO  
    SURFACE  Du*O|  
      PLANE Z 0 ELLIPSE 2@(DIA/2) !:7aXT*D$  
      OBJECT 'RETRO1_FRONT' |iJ+e -_R  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 _s&sA2r<  
        FACETS 4 4 !FhiTh:GCh  
        REDEFINE COLOR 1 (_Ld^ ^|  
        ROTATE X -90 GkutS.2G#  
        SHIFT Y (PL) o YZmz  
    @6~OQN  
    !! Retro Reflector 2 pR VL}^Rk  
    TILT_WAVES=2  !! Tilt in waves `c-(1 ;Jb  
    TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees BUozpqN}  
    h>l  
    SURFACE \qU.?V[2  
      PLANE Z 0 ELLIPSE 2@(30) .-0;:>  
      OBJECT 'RETRO2_FRONT' 6Ee UiLd  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 R\oas"  
        FACETS 4 4 ZV=)`E`I|  
        REDEFINE COLOR 1 GsG9;6c+u  
        SHIFT Z (PL) ?D^l&`S  
        ROTATE X (TILT) XP$1CWI  
    lk5}bnd5  
    !! DETECTOR &;)6G1X1  
    SURFACE wF`9}9q  
      PLANE Z 0 RECT 2@(DIA) _DAAD,'<a  
      OBJECT 'DETECTOR' =}12S:Qhj  
        INTERFACE COAT ABSORB AIR SCHOTT_BK7 6 s+ Z  
        FACETS 4 4 L'>t:^QTh  
        REDEFINE COLOR 1 cX64 X  
        ROTATE X 90 54A ndyeA  
        !!ROTATE Z 45 8")1,   
        SHIFT Y -(PL) L%7?o:  
    kdWk{ZT^  
    !! Verify Geometry [}/\W`C  
    WINDOW Y Z igV4nL  
    PLOT FACETS 7 7 OVERLAY #hBDOXHPf  
    ^c9~~m16+  
    !! Define source \\qw"w9  
    PARABASAL 4 sf|[oD  
    BEAMS COHERENT DIFFRACT "~f=7  
    WAVELENGTH 6328 ANGSTROMS tcg sXB/t  
    WIDTHS 1.6 D [#1~M  
    =;1MpD  
    GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 XZaei\rUn)  
      SOURCE DIRECTION Z 0 0 JvHGu&Nr!  
    4Qr16,Us  
    TRACE PLOT COLOR 2 =9oN#4mWK  
    $VIEW sQT0y(FW  
    &k5 Z|d|  
    PIXELS 101 j}=$2|}8{  
    CONSIDER ONLY DETECTOR T/^ /U6JB  
    SPREAD NORMAL Ou _bM n  
    WINDOW Z -2@(DIA/2) X -2@(DIA/2) FS%Xq-c  
    WINDOW 1.2  !! Enlarge by 20% #du!tx ( _  
    SPREAD NORMAL x)h p3&L  
    B_k[N}|zD  
    DISPLAY _fH.#C  
      PICTURE %#rH~E  
    RETURN -Kj^ l3w  
     
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