| 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 h6}rOchj
$/ $Hi U`.
这边有一个Michelson Interferometer, :^-\KE` 3
4dm0:,
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, Ktu~%)k%
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照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, dkqy n"^
7u
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但我这里无法看到, Xoha.6$l5
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请问该如何处理呢, x&"P^gh)
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下面是程式 KUpj.[5 qo
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--------------------------------------------------------------- 7- C])9
SYSTEM NEW g)!q4
-q
RESET jp1e3 Cg
*Vg) E*s
UNITS CENTIMETERS H}q$6W E
WAVELENGTH 632.8 NANOMETERS P s<k 2
?b" 'w
WL=632.8E-7 nyxoa/
PI=4*ATAN(1) nrX+ '
}Oqt=W m
COATING PROPERTIES \;!7IIe#
0.0 0.0 'ABSORB' Z~}9^ (qc
0.0 1.0 'TRANSMIT' ]h=5d09z
1.0 0.0 'REFLECT' $~VIx% h
0.5 0.5 'BEAM_SPLITTER' eKo=g|D
j)#yyK{k2s
PL=100 !! Path length Wyow MFp
DIA=50 !! Diameter 9}L2$^#,NA
{[hgSVN ;
SURFACE Xbrc_ V\_
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 NqveL<r`
OBJECT 'PELLICLE' $RunGaX!=N
INTERFACE COATING "BEAM_SPLITTER" AIR AIR M%RH4%NZ0
FACETS 4 4 Y\+LBbB8
REDEFINE COLOR 1 2+b}FVOe\
ROTATE X 45 8EX?/33$
}`!-WY
!! Retro Reflector 1 cYXL3)p*Q
SURFACE I?Z"YR+MQ
PLANE Z 0 ELLIPSE 2@(DIA/2) TP~1-(M)}
OBJECT 'RETRO1_FRONT' DrbjklcUU
INTERFACE COAT REFLECT AIR SCHOTT_BK7 "@|rU4Y
FACETS 4 4 P,xJVo\
REDEFINE COLOR 1 Koj9]2<0
ROTATE X -90 ,}"jiGgS4
SHIFT Y (PL) wp5H|ctl
2?v }w<Ydl
!! Retro Reflector 2 uu"hu||0_
TILT_WAVES=2 !! Tilt in waves cSNeWJKA6
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees UX<)hvKj
mdo$d-d&
SURFACE r vK%m_r
PLANE Z 0 ELLIPSE 2@(30) xI/8[JW*
OBJECT 'RETRO2_FRONT' ?;.=o?e9
INTERFACE COAT REFLECT AIR SCHOTT_BK7 Oamz>Hplu
FACETS 4 4 [7g-M/jvY
REDEFINE COLOR 1 ^HtB!Xc
SHIFT Z (PL) `e?~c'a@
ROTATE X (TILT) ^4'!B
+}F
] 0MuX iR
!! DETECTOR qZ
+K4H
SURFACE 8 ?x:PkK
PLANE Z 0 RECT 2@(DIA) s&<76kwl
OBJECT 'DETECTOR' k g Rys
INTERFACE COAT ABSORB AIR SCHOTT_BK7 jzZ]+'t
FACETS 4 4 JAI.NKB3
REDEFINE COLOR 1 %tZrP$DQ
ROTATE X 90 12_ 7UWZ"
!!ROTATE Z 45 ]*Q,~uV^|
SHIFT Y -(PL) l4(FM}0X5}
&
9
c^9<F
!! Verify Geometry e=eip?p
WINDOW Y Z !^v~hD$_q
PLOT FACETS 7 7 OVERLAY A wk1d
zr_L
V_e
!! Define source vy2"B ch
PARABASAL 4 9_e_Ne`i`?
BEAMS COHERENT DIFFRACT b&
-8/t
WAVELENGTH 6328 ANGSTROMS VeZd\Oe
WIDTHS 1.6 I N;9p w
KrHKM 3<
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 Kp1 F "!
SOURCE DIRECTION Z 0 0 wzJdS}Yy!y
1<MJ3"60
TRACE PLOT COLOR 2 >l/pwb@
$VIEW J #t8x L
$J,$_O6
PIXELS 101 n%i L+I
CONSIDER ONLY DETECTOR /=A@O !l
SPREAD NORMAL 7~'%ThUb$-
WINDOW Z -2@(DIA/2) X -2@(DIA/2) gs0`nysM#
WINDOW 1.2 !! Enlarge by 20% m\bmBK"I
SPREAD NORMAL s0/m qZ]s
jp@X,H ES
DISPLAY csxn" Dz\
PICTURE g)D@4R M
RETURN 1uR@ZK
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