| 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 ^1~/FU
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这边有一个Michelson Interferometer, Hzj*X}X#K
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, PzV(e)~7
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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, .R
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但我这里无法看到, %'=oMbi>i4
> T-O3/KN
请问该如何处理呢, *z+\yfOO"
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下面是程式 J,D{dY LDD
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--------------------------------------------------------------- xlwsZm{V
SYSTEM NEW aJ}sYf^
RESET J<BdIKCma
+.N;h -'
UNITS CENTIMETERS ks r5P~
WAVELENGTH 632.8 NANOMETERS EmUxM_ T/2
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WL=632.8E-7 kyjH~mK4
PI=4*ATAN(1) 0ay!tS
dN
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COATING PROPERTIES YpKai3 B
0.0 0.0 'ABSORB' &.z/dFmG
0.0 1.0 'TRANSMIT' `UI)H*GA8
1.0 0.0 'REFLECT' [.Y=~)7FB
0.5 0.5 'BEAM_SPLITTER' u!-eP7;7
R/w SGP`W
PL=100 !! Path length V")Q4h{
DIA=50 !! Diameter q@sH@-z4]
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SURFACE x$Oz0 [
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 \1MDCP9:
OBJECT 'PELLICLE' K$]QzP XS
INTERFACE COATING "BEAM_SPLITTER" AIR AIR #
R&[+1=9j
FACETS 4 4 [T%blaSX
REDEFINE COLOR 1 Q|1bF!#(1
ROTATE X 45 i3"sAr P"|
h0eo:Ahi
!! Retro Reflector 1 }M7kApb>Y
SURFACE GMNb;D(>K
PLANE Z 0 ELLIPSE 2@(DIA/2) ?qbp
OBJECT 'RETRO1_FRONT' C IDL{i8
INTERFACE COAT REFLECT AIR SCHOTT_BK7 bT8UmR98
FACETS 4 4 I;v`o{
REDEFINE COLOR 1 cR &xl^BJ
ROTATE X -90 #TWc` 8
SHIFT Y (PL) ks 5'Z8X
1A)~Y
!! Retro Reflector 2 B1M/5cr.
TILT_WAVES=2 !! Tilt in waves xY S%dLE"
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees [G P( r
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SURFACE :=Q|gRTL*
PLANE Z 0 ELLIPSE 2@(30) >gZz`CH
OBJECT 'RETRO2_FRONT' vck$@3*
INTERFACE COAT REFLECT AIR SCHOTT_BK7 yq}{6IyZ^
FACETS 4 4 k:TfE6JZ
REDEFINE COLOR 1 w!}1oy
SHIFT Z (PL) 9CNHjs+-}s
ROTATE X (TILT) *o[%?$8T
Tpukz_F
!! DETECTOR 8joQPHkI\
SURFACE c6HU'%v
PLANE Z 0 RECT 2@(DIA) tTt3D]h(
OBJECT 'DETECTOR' %RN -J *s]
INTERFACE COAT ABSORB AIR SCHOTT_BK7 wB)+og-^1f
FACETS 4 4 nIjQLx
REDEFINE COLOR 1 9NP l]iA)
ROTATE X 90 W~%~^2g ;k
!!ROTATE Z 45 W/>?1+r.Z
SHIFT Y -(PL) IR
LPUP
aAr i
!! Verify Geometry 7f ay:_
WINDOW Y Z
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PLOT FACETS 7 7 OVERLAY -W_s]oBg
swlWe}1
!! Define source J31M:<
PARABASAL 4 ]M(mq`K
BEAMS COHERENT DIFFRACT (U F!Zb]{
WAVELENGTH 6328 ANGSTROMS pQ
6#L
WIDTHS 1.6 ~vGtNMQ g
RfBb{?PP )
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 YfwJBz D
SOURCE DIRECTION Z 0 0 rcZ SC 3
M0SH-0T;Z
TRACE PLOT COLOR 2 EY x Rw
$VIEW 4Aew
)
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PIXELS 101 i gro g
CONSIDER ONLY DETECTOR 5|CiwQg|,p
SPREAD NORMAL (AG
WINDOW Z -2@(DIA/2) X -2@(DIA/2) 5 j,qAay9
WINDOW 1.2 !! Enlarge by 20% &f W=5'
SPREAD NORMAL ;q; C ^l
`4H9f&8(
DISPLAY WrNgV@ P
PICTURE n[Iu!v\/*
RETURN 8 tygs
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