[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]

c(j|xQ\pE  
要如何使用倾斜的detector看到不同周期的干涉条纹 ?r}'0dW  
7%0V?+]P  
这边有一个Michelson Interferometer, %p(!7FDE2n  
#sRkKl|  
我试着调整DETECTOR的角度, 但它记录到的影像都一样, ih[!v"bv  
Mnx')([;W  
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,  L#>^R   
6A;,Ph2  
但我这里无法看到, {}A1[Y|  
xaw)iC[gI{  
请问该如何处理呢, hUo}n>Aa  
u
;/5@ADW
 
下面是程式 tF&g3)D:NV  
K K_  
--------------------------------------------------------------- 6oA2"!u^w  
SYSTEM NEW ,'%w
adOo  
RESET 2Vwv#NAV k  
(=eJceE!  
UNITS CENTIMETERS v{44`tR  
WAVELENGTH 632.8 NANOMETERS ~B704i  
mFa%d8Y  
WL=632.8E-7 N0POyd/rL  
PI=4*ATAN(1) p\).zuEf.  
-
 fx?@  
COATING PROPERTIES ^OZ*Le  
  0.0  0.0  'ABSORB' 2vLV1v$,q  
  0.0  1.0  'TRANSMIT' ~_GW  
  1.0  0.0  'REFLECT' Kwmtt  
  0.5  0.5  'BEAM_SPLITTER' >K@Y8J+e#  
vS1#ien#  
PL=100  !! Path length 5%#V>|@e#  
DIA=50  !! Diameter T4fVZd)x  
U-6pia/o  
SURFACE X?gH(mn  
  PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 z^z,_?q;  
  OBJECT 'PELLICLE' pcC/$5FQ  
    INTERFACE COATING "BEAM_SPLITTER" AIR AIR I8%Uyap{  
    FACETS 4 4 B ?%g@d-;  
    REDEFINE COLOR 1 nb|KIW  
    ROTATE X 45 j0q:i}/U,  
BufXnMh.  
!! Retro Reflector 1 DPg\y".4Y&  
SURFACE s)BB(vQ]6  
  PLANE Z 0 ELLIPSE 2@(DIA/2) ^NB\[
&  
  OBJECT 'RETRO1_FRONT' _rakTo8BY  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 uozK'L  
    FACETS 4 4 5fjL  
    REDEFINE COLOR 1 AQU^7O  
    ROTATE X -90 <oKoz0!  
    SHIFT Y (PL) ~bnyk%S o  
Gzw9E.Hk  
!! Retro Reflector 2 `iZ){JfAH  
TILT_WAVES=2  !! Tilt in waves {^V9?^?d (  
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI  !! Tilt in degrees jV 982Y  
j#rj_uP  
SURFACE QJ^'Uyfdn  
  PLANE Z 0 ELLIPSE 2@(30) b sM]5^  
  OBJECT 'RETRO2_FRONT' |?\J,h  
    INTERFACE COAT REFLECT AIR SCHOTT_BK7 k"$E|$  
    FACETS 4 4 kW4B @Zh  
    REDEFINE COLOR 1 s,|"s|P  
    SHIFT Z (PL) e anR$I;Yj  
    ROTATE X (TILT) O-,0c1ts  

\C&V)/  
!! DETECTOR Cw$7d:u  
SURFACE E'iN==p_:  
  PLANE Z 0 RECT 2@(DIA) =pnMV"'9  
  OBJECT 'DETECTOR' yLgv<%8f  
    INTERFACE COAT ABSORB AIR SCHOTT_BK7 $VNj0i. Pr  
    FACETS 4 4 sg9  
    REDEFINE COLOR 1 VBq|j"o0"  
    ROTATE X 90 Em]2K:  
    !!ROTATE Z 45 iyJx~:  
    SHIFT Y -(PL) aESlbH  
qx f8f  
!! Verify Geometry K'f`}y9  
WINDOW Y Z >`=9So_J  
PLOT FACETS 7 7 OVERLAY cUj^aTpm  
E]c0+rh~  
!! Define source >)*0lfxTZ  
PARABASAL 4 t$EL3U/(  
BEAMS COHERENT DIFFRACT iPCDxDLN3V  
WAVELENGTH 6328 ANGSTROMS ep)O|_=  
WIDTHS 1.6 &[W53Lqa  
G/N1[)  
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 /*1p|c^  
  SOURCE DIRECTION Z 0 0 &B?*|M`)k  
*b,4qMr  
TRACE PLOT COLOR 2 77H"=  
$VIEW ;)23@6{R%  
1)t*l
;.  
PIXELS 101 dGG8k&  
CONSIDER ONLY DETECTOR a&!K5(  
SPREAD NORMAL XP^[,)E  
WINDOW Z -2@(DIA/2) X -2@(DIA/2) aL^ 58My&  
WINDOW 1.2  !! Enlarge by 20% {v}BtZ  
SPREAD NORMAL Qpocj:  
@bF4'M  
DISPLAY MG:eI?G/'  
  PICTURE ;:1o|>mX
 
RETURN `Rx\wfr}