| taker1986 |
2013-04-24 11:28 |
要如何使用倾斜的detector看到不同周期的干涉条纹
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要如何使用倾斜的detector看到不同周期的干涉条纹 [?r\b
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这边有一个Michelson Interferometer, ~(doy@0M
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, N|# x9 mE
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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, AxqTPx7`|
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但我这里无法看到, PL B=%[
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请问该如何处理呢, lV *&^Q8.
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下面是程式 21J8 2M
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SYSTEM NEW NZ? =pfK\s
RESET 9(Xch2tpO!
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UNITS CENTIMETERS 2OOj8JS
WAVELENGTH 632.8 NANOMETERS gmH0-W)=
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WL=632.8E-7 [8g\pPQ
PI=4*ATAN(1)
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COATING PROPERTIES w5G34[v
0.0 0.0 'ABSORB' [
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0.0 1.0 'TRANSMIT' +?eAaC7s
1.0 0.0 'REFLECT' @ShJ:
0.5 0.5 'BEAM_SPLITTER' :z5I bas:
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PL=100 !! Path length *m Tc4&*
DIA=50 !! Diameter ~bQ:gArk
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SURFACE `)_FO]m}jS
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 :<G+)hIK
OBJECT 'PELLICLE' e/ ~<\
INTERFACE COATING "BEAM_SPLITTER" AIR AIR ~9 nrS9)
FACETS 4 4 -P uVI5L<
REDEFINE COLOR 1 2Mr R|hLx
ROTATE X 45 fO|u(e
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!! Retro Reflector 1 &%51jM<
SURFACE d`*vJ#$> 2
PLANE Z 0 ELLIPSE 2@(DIA/2) zT 40,rk
OBJECT 'RETRO1_FRONT' w0OK. fj
INTERFACE COAT REFLECT AIR SCHOTT_BK7 e/l?|+m 6
FACETS 4 4 iFT3fP'> 5
REDEFINE COLOR 1 u"3cSu qy
ROTATE X -90 eh=bClk
SHIFT Y (PL) N^j''siB
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!! Retro Reflector 2 \3UdC{~
TILT_WAVES=2 !! Tilt in waves uB9+E%jOdQ
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees M#IR=|P]
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SURFACE m=y)i]=1
PLANE Z 0 ELLIPSE 2@(30) dz DssAHy
OBJECT 'RETRO2_FRONT' 7[,f;zG
INTERFACE COAT REFLECT AIR SCHOTT_BK7 jF0BWPL
FACETS 4 4 7}?z=LHb3
REDEFINE COLOR 1 Fsdn2{g8U
SHIFT Z (PL) !S<~(Ujyw
ROTATE X (TILT) 7~g0{W>Zm
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!! DETECTOR A~t7I{`
SURFACE &Vm [5XW
PLANE Z 0 RECT 2@(DIA) T{Q& }`D)r
OBJECT 'DETECTOR' =z dti'2{4
INTERFACE COAT ABSORB AIR SCHOTT_BK7 ]5L3[A4Vu
FACETS 4 4 8BdeqgU/_
REDEFINE COLOR 1 DA\O,^49h
ROTATE X 90 AY]nc# zz
!!ROTATE Z 45 >.A:6
SHIFT Y -(PL) d":{a6D*d
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!! Verify Geometry O`| ri5d
WINDOW Y Z !pXz-hxKT
PLOT FACETS 7 7 OVERLAY ZaV@}=Rd8
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!! Define source ]+S QS^4
PARABASAL 4 /267Q;d
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BEAMS COHERENT DIFFRACT 1 ErYob.p
WAVELENGTH 6328 ANGSTROMS y%AJ>@/;
WIDTHS 1.6 D[ ?|\?
_u!G 6
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 |0
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SOURCE DIRECTION Z 0 0 :z oX
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TRACE PLOT COLOR 2 b
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$VIEW C\[UAxZ3X
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PIXELS 101 lUz@Em
CONSIDER ONLY DETECTOR 7]Yd-vA
SPREAD NORMAL }2{#=Elh
WINDOW Z -2@(DIA/2) X -2@(DIA/2) z@ j&v W
WINDOW 1.2 !! Enlarge by 20%
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SPREAD NORMAL 2:yv:7t/
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DISPLAY F'!}$oT"
PICTURE tIw4V^'|
RETURN wOP }SMn
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