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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
    F'sX ^/;  
    要如何使用倾斜的detector看到不同周期的干涉条纹 k52IvB@2  
    %p$XK(6  
    这边有一个Michelson Interferometer, a!/\:4-uc  
    #z _<{' P"  
    我试着调整DETECTOR的角度, 但它记录到的影像都一样, 7}y@VO6]  
    (QL:7  
    照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, CLk,]kA'r  
    ]jC{o,?s  
    但我这里无法看到, ]s\vc:cc?  
    -CuuO=h  
    请问该如何处理呢, 7s3=Fa:9Q  
    pgiZA?r*<  
    下面是程式 E:dN)  
    U,Uy0s2r  
    --------------------------------------------------------------- 8>W52~^fU  
    SYSTEM NEW /} z9(  
    RESET 2G$p x  
    3)ox8,{%}  
    UNITS CENTIMETERS r~YBj>}  
    WAVELENGTH 632.8 NANOMETERS 9jY+0h*uP  
    li v=q  
    WL=632.8E-7 )[J!{$&y  
    PI=4*ATAN(1) tpEy-"D&  
    3<"j/9;K'  
    COATING PROPERTIES az:}RE3o  
      0.0  0.0  'ABSORB' S{N4[U?V>  
      0.0  1.0  'TRANSMIT' 0kj5r*qA  
      1.0  0.0  'REFLECT' iQ(j_i'+!I  
      0.5  0.5  'BEAM_SPLITTER' cu foP&  
    x {Utf$|  
    PL=100  !! Path length i!*<LIq  
    DIA=50  !! Diameter q~ Z UtF  
    &9)/"  
    SURFACE i%.k{MY  
      PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 _u^3uzu  
      OBJECT 'PELLICLE' ]&"ii  
        INTERFACE COATING "BEAM_SPLITTER" AIR AIR n44 T4q  
        FACETS 4 4 4'*-[TKC  
        REDEFINE COLOR 1 fs;\_E[)  
        ROTATE X 45 S|)atJJ0G"  
    6vAZLNG3  
    !! Retro Reflector 1 $Wj{B@k  
    SURFACE 5,##p"O(  
      PLANE Z 0 ELLIPSE 2@(DIA/2) Hzm_o>^KC  
      OBJECT 'RETRO1_FRONT' ;Ivv4u  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 2t_g\Q  
        FACETS 4 4 z9 Ch %A{  
        REDEFINE COLOR 1 l7jen=(Zb;  
        ROTATE X -90 ?%$O7_ThvA  
        SHIFT Y (PL) {*F =&D  
    !J<Xel {  
    !! Retro Reflector 2 RV_I&HD!  
    TILT_WAVES=2  !! Tilt in waves K mH))LIv  
    TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees E56  
    (}6\_k[}m  
    SURFACE i 0/QfB%O  
      PLANE Z 0 ELLIPSE 2@(30) B!,&{[D  
      OBJECT 'RETRO2_FRONT' (wq8[1Wzup  
        INTERFACE COAT REFLECT AIR SCHOTT_BK7 hBnUpYec  
        FACETS 4 4 \By_mw  
        REDEFINE COLOR 1 f4\$<g/~  
        SHIFT Z (PL) 2^ ]^Yc  
        ROTATE X (TILT) Z\`SDC  
    SO *oBA'  
    !! DETECTOR \P+^BG!  
    SURFACE ?xH{7)dO  
      PLANE Z 0 RECT 2@(DIA) 4V4S5V  
      OBJECT 'DETECTOR' yOQae m^O  
        INTERFACE COAT ABSORB AIR SCHOTT_BK7 rf|Nu3AJ  
        FACETS 4 4 ^gx~{9`RR  
        REDEFINE COLOR 1 {+_p?8X  
        ROTATE X 90 ^ '|y^t  
        !!ROTATE Z 45 ]58~b%s  
        SHIFT Y -(PL) r'#!w3*Cy  
    ,)*[Xa_n  
    !! Verify Geometry "GZ}+K*GG  
    WINDOW Y Z 0j4n1 1#  
    PLOT FACETS 7 7 OVERLAY +@!\3a4!  
    y7:f^4  
    !! Define source frPQi{u$  
    PARABASAL 4 yp$jLBA  
    BEAMS COHERENT DIFFRACT #~/9cVm$  
    WAVELENGTH 6328 ANGSTROMS As>Og  
    WIDTHS 1.6 /iM1   
    1ow,'FztPt  
    GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 V6[jhdb  
      SOURCE DIRECTION Z 0 0 PVF :p7  
    WvT H+  
    TRACE PLOT COLOR 2 pXlqE,  
    $VIEW <";1[A%7<  
    T^#d;A  
    PIXELS 101 Cq/u$G  
    CONSIDER ONLY DETECTOR % vy,A*  
    SPREAD NORMAL @OT$* Qh  
    WINDOW Z -2@(DIA/2) X -2@(DIA/2) eq%cRd]u  
    WINDOW 1.2  !! Enlarge by 20% &x\)] i2f  
    SPREAD NORMAL u9v,B$ S  
    +J C"@  
    DISPLAY go yDG/  
      PICTURE AEnkx!o  
    RETURN @0PWbs$  
     
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