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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
    @/?$ZX/e[  
    要如何使用倾斜的detector看到不同周期的干涉条纹 ';x5 $5k'  
    Tq >?.bq9  
    这边有一个Michelson Interferometer, \6Hu&WHy  
    %G~%:uJ5  
    我试着调整DETECTOR的角度, 但它记录到的影像都一样, en gh3TZC  
    zd [cp@  
    照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, TWQ{, B  
    V6 ,59  
    但我这里无法看到, r|7hm:F)  
    RD p(Ci  
    请问该如何处理呢, iW <B1'dp  
    Wv)2dD2I  
    下面是程式 D&&11Iz&  
    R:DW>LB  
    --------------------------------------------------------------- 6~Xe$fP(  
    SYSTEM NEW X?.LA7)CK  
    RESET E)l@uPA'1  
    dCMWv~>  
    UNITS CENTIMETERS "7a;Ap q*  
    WAVELENGTH 632.8 NANOMETERS ag$UNV  
    .:s**UiDR  
    WL=632.8E-7 re} P  
    PI=4*ATAN(1) *gzX=*;x+?  
    l4Y}<j\;  
    COATING PROPERTIES %7rWebd-  
      0.0  0.0  'ABSORB' b$)XS  
      0.0  1.0  'TRANSMIT' ^?tF'l`  
      1.0  0.0  'REFLECT' +hS}msu'  
      0.5  0.5  'BEAM_SPLITTER' L pdp'9>I  
    "%Eyb\V!  
    PL=100  !! Path length #r)c@?T@j  
    DIA=50  !! Diameter X\1'd,V  
    Y 1vSwS%{T  
    SURFACE PDssEb7  
      PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 a|@^ N  
      OBJECT 'PELLICLE' G%K<YyAP  
        INTERFACE COATING "BEAM_SPLITTER" AIR AIR v ~%6!Tr  
        FACETS 4 4 Jk7[}Jc$  
        REDEFINE COLOR 1 Ey u?T  
        ROTATE X 45 1)M>vdrP  
    K]q OLtc  
    !! Retro Reflector 1 aKC3T-  
    SURFACE asI:J/%+2  
      PLANE Z 0 ELLIPSE 2@(DIA/2) iwfv t^  
      OBJECT 'RETRO1_FRONT' 2$? )VXtw  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 " U&   
        FACETS 4 4 hQgi--Msw'  
        REDEFINE COLOR 1 pOip$Z  
        ROTATE X -90 '?k*wEu  
        SHIFT Y (PL) ~z!U/QR2  
    Piz/vH6M}  
    !! Retro Reflector 2 d&0^AvM@  
    TILT_WAVES=2  !! Tilt in waves &`63"^y  
    TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees A_@#V)D2  
    p_ QL{gn  
    SURFACE '5eW"HGU]`  
      PLANE Z 0 ELLIPSE 2@(30) {j E}mzi  
      OBJECT 'RETRO2_FRONT' mOyBSOad4  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 p9 |r y+t  
        FACETS 4 4 Ydu=J g5u7  
        REDEFINE COLOR 1 O.*,e  
        SHIFT Z (PL) nMXSpX>!|  
        ROTATE X (TILT) @&d/}Mx"t  
    !T|X/B R  
    !! DETECTOR %c(':vI#  
    SURFACE b07 MTDFH7  
      PLANE Z 0 RECT 2@(DIA) Zl.}J,0F  
      OBJECT 'DETECTOR' r!etj3  
        INTERFACE COAT ABSORB AIR SCHOTT_BK7 #2&_WM!   
        FACETS 4 4 =8fp4# ]7  
        REDEFINE COLOR 1 (Y!@,rKd   
        ROTATE X 90 #G^?4Z a  
        !!ROTATE Z 45 Ssr P  
        SHIFT Y -(PL) vh+Ih Gi  
    }} l04kN_  
    !! Verify Geometry ; eq^m,oz  
    WINDOW Y Z \=4[v-3 H  
    PLOT FACETS 7 7 OVERLAY y#^d8 }+  
    (J~n|hA2/D  
    !! Define source A3bE3Fk$  
    PARABASAL 4 cyG3le& +G  
    BEAMS COHERENT DIFFRACT ,`MUd0 n  
    WAVELENGTH 6328 ANGSTROMS TgVvp0F;  
    WIDTHS 1.6 o|AV2FM)  
    $ T.c>13  
    GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 Yyby 1  
      SOURCE DIRECTION Z 0 0 L*1C2EL/q  
    +^!&-g@(  
    TRACE PLOT COLOR 2 7 rOziKZ"  
    $VIEW Y:/z)"u,C  
    \:\rkc9LI  
    PIXELS 101 O[;>Y'zqC%  
    CONSIDER ONLY DETECTOR < ppg$;  
    SPREAD NORMAL x(&o=Pu  
    WINDOW Z -2@(DIA/2) X -2@(DIA/2) s 7iguFQ  
    WINDOW 1.2  !! Enlarge by 20% vWcU+GBZI  
    SPREAD NORMAL Y: oL  
    Id(L}i(X  
    DISPLAY gyJ$ Jp  
      PICTURE  =h\,-8  
    RETURN mHUQtGAVQ  
     
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