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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
    20hF2V  
    要如何使用倾斜的detector看到不同周期的干涉条纹 I0 y+,~\  
    &Mset^o  
    这边有一个Michelson Interferometer, Z+!3m.q  
    CIt>D'/YT  
    我试着调整DETECTOR的角度, 但它记录到的影像都一样, Bp3%*va  
    *_<P% J  
    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, 6qA48:/F=  
    !GkwbHr+p  
    但我这里无法看到, RUTlwTdv  
    G"CV S@  
    请问该如何处理呢, B;'Dh<J1  
    0\t k/<w2  
    下面是程式 {mPalo A  
    P5;LM9W  
    --------------------------------------------------------------- 2e}${NZN  
    SYSTEM NEW q #f U*  
    RESET p*10u@,  
    V/Hjd`n)`i  
    UNITS CENTIMETERS ,63hO.4M  
    WAVELENGTH 632.8 NANOMETERS T ,, Ao36  
    [@ ]f@Wd  
    WL=632.8E-7 . xT8@]  
    PI=4*ATAN(1) _S:6;_bz  
    ]KGLJ~hm>  
    COATING PROPERTIES [GeJn\C_?  
      0.0  0.0  'ABSORB' q!#e2Dx  
      0.0  1.0  'TRANSMIT' \H$Ps9Xh  
      1.0  0.0  'REFLECT' 6JWCB9$4  
      0.5  0.5  'BEAM_SPLITTER' V\zf yH\~  
    v}hmI']yf  
    PL=100  !! Path length N9r}nqCN  
    DIA=50  !! Diameter LTu cs }  
    C+-GE9=  
    SURFACE de{KfM`W;  
      PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 @Md%gEh;&  
      OBJECT 'PELLICLE' X>mY`$!/  
        INTERFACE COATING "BEAM_SPLITTER" AIR AIR ReOp,A/y  
        FACETS 4 4 "}UJ~ j).  
        REDEFINE COLOR 1 ODK$G [-  
        ROTATE X 45 =whZ?,u1   
    gnmKh>0@6o  
    !! Retro Reflector 1 '1A S66k  
    SURFACE oxE'u<  
      PLANE Z 0 ELLIPSE 2@(DIA/2) P0J3ci}^  
      OBJECT 'RETRO1_FRONT' ryzz!0l  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 ]gYnw;W$  
        FACETS 4 4 >N>WOLbb7(  
        REDEFINE COLOR 1 i(9=` A}  
        ROTATE X -90 WO W4c&  
        SHIFT Y (PL) H8~<;6W  
    43pQFDWa  
    !! Retro Reflector 2 Uw^`_\si  
    TILT_WAVES=2  !! Tilt in waves c 6sGjZdR  
    TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees a'w~7y!}  
    2't<Hl1qN  
    SURFACE tS,nO:+x  
      PLANE Z 0 ELLIPSE 2@(30) brJ _q0@  
      OBJECT 'RETRO2_FRONT' LtKiJ.j?A  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 N2uxiXpQZ=  
        FACETS 4 4 N+x0"~T}I  
        REDEFINE COLOR 1 kf+]bV  
        SHIFT Z (PL) 6Y6DkFdvrZ  
        ROTATE X (TILT) @cdd~9w  
    Pk[:+. f(  
    !! DETECTOR 2b xkZS]  
    SURFACE U>6MT@\  
      PLANE Z 0 RECT 2@(DIA) egboLqn  
      OBJECT 'DETECTOR' 5Z}]d@  
        INTERFACE COAT ABSORB AIR SCHOTT_BK7 $8o(_8Q)  
        FACETS 4 4 T6JN@:8  
        REDEFINE COLOR 1 -frmvNJ F  
        ROTATE X 90 . $uvQpyh  
        !!ROTATE Z 45 LAeJz_9U  
        SHIFT Y -(PL) AEx I!  
    $.kP7!`:,  
    !! Verify Geometry Yu-e |:  
    WINDOW Y Z ![3#([>4>  
    PLOT FACETS 7 7 OVERLAY ]&\HAmOQS  
    8 $0D-z  
    !! Define source F+Rtoq|  
    PARABASAL 4 X=_pQ+j`^  
    BEAMS COHERENT DIFFRACT j*>+^g\Q6  
    WAVELENGTH 6328 ANGSTROMS h`dtcJ0  
    WIDTHS 1.6 "Wr5:T-;  
    TSqfl/UI  
    GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 OiX:h#  
      SOURCE DIRECTION Z 0 0 ,~8:^*0s  
    t m?[0@<s  
    TRACE PLOT COLOR 2 zF6 R\w  
    $VIEW 5=tvB,Ux4  
    PE3FuJGz  
    PIXELS 101 'HTr02riY  
    CONSIDER ONLY DETECTOR D"0:n.  
    SPREAD NORMAL YO7Y1(`  
    WINDOW Z -2@(DIA/2) X -2@(DIA/2) )z-)S  
    WINDOW 1.2  !! Enlarge by 20% 0xrr9X<  
    SPREAD NORMAL zbK=yOIOd  
    k\$))<3  
    DISPLAY n4Nb,)M  
      PICTURE e5KsKzu a  
    RETURN 5ckL=q"+/  
     
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