| 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 $xK2M
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这边有一个Michelson Interferometer, jrl'?`O
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, z{ N~AaY
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照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, |*T3TsP u
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但我这里无法看到, ,_N+t:*#0
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请问该如何处理呢, +' lj\_n
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下面是程式 R'udC}
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SYSTEM NEW u Sl&d
RESET fVXZfq6
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UNITS CENTIMETERS +' ZJ]
WAVELENGTH 632.8 NANOMETERS dx&!RK+
D[" ~G v
WL=632.8E-7 RI[=N:C^
PI=4*ATAN(1) :"~SKJm
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COATING PROPERTIES p Xy'S s@y
0.0 0.0 'ABSORB' OtVRhR3>
0.0 1.0 'TRANSMIT' J oCZ{MhM
1.0 0.0 'REFLECT' >]!8 f?,
0.5 0.5 'BEAM_SPLITTER' ,dR<O.{ 0
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PL=100 !! Path length j GSY$nt9
DIA=50 !! Diameter J2BCaAwEP,
O?=Y Y@j
SURFACE _&wrA3@ /L
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 RXD*;B$v
OBJECT 'PELLICLE' +I$,Y~&`>
INTERFACE COATING "BEAM_SPLITTER" AIR AIR vh/&KTe?:
FACETS 4 4 xk:=.Qqh
REDEFINE COLOR 1 X"k:+
ROTATE X 45 b4R;#rm
d $H
!! Retro Reflector 1 AL;z's(F?
SURFACE u^4$<f d
PLANE Z 0 ELLIPSE 2@(DIA/2) lM |}K-2
OBJECT 'RETRO1_FRONT' \2c 3Ns ra
INTERFACE COAT REFLECT AIR SCHOTT_BK7 HVHd@#pDZ
FACETS 4 4
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REDEFINE COLOR 1 li37*
ROTATE X -90 ;(3!#4`q(]
SHIFT Y (PL) TlEd#XQgf&
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!! Retro Reflector 2 0Xw$l3@N^
TILT_WAVES=2 !! Tilt in waves z%E o k
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees (Qcd !!
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SURFACE &Yklf?EZ>Q
PLANE Z 0 ELLIPSE 2@(30) )Ggv_mc h
OBJECT 'RETRO2_FRONT' P U2^4h/[`
INTERFACE COAT REFLECT AIR SCHOTT_BK7 ,6 IKkyD
FACETS 4 4 B{lj.S` mB
REDEFINE COLOR 1 {6tj$&\)
SHIFT Z (PL)
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ROTATE X (TILT) qI%X/'
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!! DETECTOR
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SURFACE KSA E!+
PLANE Z 0 RECT 2@(DIA) S
aH':UN
OBJECT 'DETECTOR' FTQNS8
INTERFACE COAT ABSORB AIR SCHOTT_BK7 S?[@/35)
FACETS 4 4 <5 }
REDEFINE COLOR 1 3OB=D{$ V
ROTATE X 90 aJ"m`5]=%
!!ROTATE Z 45 KK}ox%j
SHIFT Y -(PL) 2 oo/KndU
c[>xM3=e^q
!! Verify Geometry {ldt/dl~
WINDOW Y Z DS1{~_>nFu
PLOT FACETS 7 7 OVERLAY vB%os Qm
we/sv9v} n
!! Define source i*((@:
PARABASAL 4 =z!^O T6eb
BEAMS COHERENT DIFFRACT .%EYof
WAVELENGTH 6328 ANGSTROMS 1{A K=H')
WIDTHS 1.6 o/6VOX
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 ni8 5Ne$
SOURCE DIRECTION Z 0 0 =/!RQQ|8o
S J2l6
TRACE PLOT COLOR 2 ?2%;VKN4
$VIEW tE#;$Ss
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PIXELS 101
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CONSIDER ONLY DETECTOR z d6F}2*6
SPREAD NORMAL .b? Aq^i8
WINDOW Z -2@(DIA/2) X -2@(DIA/2) YsMM$rjP +
WINDOW 1.2 !! Enlarge by 20% klR\7+lK
SPREAD NORMAL bq2f?uD-}
3$_JNF`
DISPLAY 6f:u AFwG
PICTURE L54]l^ls>
RETURN !n sx!M
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