| 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
9b"=9y,
要如何使用倾斜的detector看到不同周期的干涉条纹 91-o}|3v
b:]V`uF?
这边有一个Michelson Interferometer, V"G*N<q
KP5C} ZK+s
我试着调整DETECTOR的角度, 但它记录到的影像都一样, x$Oq0d{T
dD|OSB7 I7
照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, kw %};;
Vi]W |bP
但我这里无法看到, !1 8clL
g+>( dnX
请问该如何处理呢, ~T,c"t2
?3zc=J"t
下面是程式 x QXXC|T
q[W
0 N >
--------------------------------------------------------------- r@t9Ci=}
SYSTEM NEW f"SD/]q-
RESET %r}{hq4
{NFr]LGOp
UNITS CENTIMETERS 6BbGA*%{
WAVELENGTH 632.8 NANOMETERS +&( Mgbna
yt=3sq
WL=632.8E-7 ADP%QTdqFJ
PI=4*ATAN(1) J1I ;Jgql(
k_5L4c:"
COATING PROPERTIES v>Yb/{ A
0.0 0.0 'ABSORB' GyIT{M}KV
0.0 1.0 'TRANSMIT' CpeU5 o@
1.0 0.0 'REFLECT' e2t-4}
ww
0.5 0.5 'BEAM_SPLITTER' b TM{l.Aq3
;HJL s2bP
PL=100 !! Path length 33ef/MElD$
DIA=50 !! Diameter #_J@-f7^
?DQsc9y
SURFACE A1 D^a,
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 nvJf/90$
OBJECT 'PELLICLE' Ix!Iw[CNd
INTERFACE COATING "BEAM_SPLITTER" AIR AIR `c5"d
FACETS 4 4 L> 9V&\
REDEFINE COLOR 1 >eqxV|]i
ROTATE X 45 g Vv>9W('
)Sg~[WxDv
!! Retro Reflector 1 bE#,=OI$
SURFACE Mg OR2,cR
PLANE Z 0 ELLIPSE 2@(DIA/2) /VS [pXXT|
OBJECT 'RETRO1_FRONT' E.ly#2 ?
INTERFACE COAT REFLECT AIR SCHOTT_BK7 D2!X?"[ P
FACETS 4 4 Y*># T
REDEFINE COLOR 1 =/Mq 5.
ROTATE X -90 s'a/j)^
SHIFT Y (PL) d + / &?3
)-
viGxJ@
!! Retro Reflector 2 L z!,kwg
TILT_WAVES=2 !! Tilt in waves LuSLkLN
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees fA<[f
#Jn_c0
SURFACE v!P b`LCqK
PLANE Z 0 ELLIPSE 2@(30) OjF_ %5
OBJECT 'RETRO2_FRONT' )Xak JU^o
INTERFACE COAT REFLECT AIR SCHOTT_BK7 WZ7BoDa7O
FACETS 4 4 H!nr^l'+
REDEFINE COLOR 1 zj` v?#ET
SHIFT Z (PL) v<OJ69J
ROTATE X (TILT) B}?5]N==]
X M#T'S9y8
!! DETECTOR e7(ucE
SURFACE qg!|l7e
PLANE Z 0 RECT 2@(DIA) HATA- M
OBJECT 'DETECTOR' , :`4%
INTERFACE COAT ABSORB AIR SCHOTT_BK7 a / #PLP
FACETS 4 4 }i`PGx
REDEFINE COLOR 1 vj\d A2!~
ROTATE X 90 n9A7K$ZD@
!!ROTATE Z 45 aj}sc/Qa
SHIFT Y -(PL) .k9{Yv0
?- ^m`
!! Verify Geometry k RD%b[*d
WINDOW Y Z 2Sp=rI
PLOT FACETS 7 7 OVERLAY Eu-RNrYh#
%1O [i4s:-
!! Define source N qEA4C
PARABASAL 4 [y)`k@
BEAMS COHERENT DIFFRACT \XM^oE#G
WAVELENGTH 6328 ANGSTROMS s]mY*@a%
WIDTHS 1.6 {]_r W/
)\be2^p
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 \ZhfgE8{%
SOURCE DIRECTION Z 0 0 |-
rI@2`
D3^7y.u<)
TRACE PLOT COLOR 2 XC "'Q+
$VIEW i|}[A
EG0auzW?
PIXELS 101 ^;maotHn
CONSIDER ONLY DETECTOR RE=+ Dz{
SPREAD NORMAL $:j G- r
WINDOW Z -2@(DIA/2) X -2@(DIA/2) \, &co
WINDOW 1.2 !! Enlarge by 20% Ns0cgCrhX
SPREAD NORMAL FwY&/\J7V
QgD g}\P
DISPLAY T?1Du"d8
PICTURE 0zCw>wBPW
RETURN ?wF'<kEH
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