| 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
UmiW_JB
要如何使用倾斜的detector看到不同周期的干涉条纹 7T_g?!sdMh
Rk"VFe>r
这边有一个Michelson Interferometer, ^ 5 F-7R8Q
6\\B{%3R2
我试着调整DETECTOR的角度, 但它记录到的影像都一样, x@v,qF$K
H#m)`=nZSZ
照理来说调整DETECTOR角度的话干涉条文应该会一边粗一边细周期不一, OZ![9l
e~'y %| D
但我这里无法看到, ItYG9a
*ErTDy(
请问该如何处理呢, :&6QKTX
S'Yg!KwX
下面是程式 Ea!}r| ~]0
N vJu)gI%
--------------------------------------------------------------- '[qG , ^f
SYSTEM NEW Y'Wj7P
RESET 1^!= J<`K;
*vJ1~SRV
UNITS CENTIMETERS ^ T(l3 r
WAVELENGTH 632.8 NANOMETERS H",yVD
x:xKlPGd
WL=632.8E-7 BB--UM{7
PI=4*ATAN(1) s3g$F23
+_:Ih,-
COATING PROPERTIES 8Dhq_R'r
0.0 0.0 'ABSORB' Fd m7k){A
0.0 1.0 'TRANSMIT' ,EcmMI^A
1.0 0.0 'REFLECT' Q`5jEtu#,
0.5 0.5 'BEAM_SPLITTER' gWy 2$)
2?Q IK3"v
PL=100 !! Path length v}xz`]MW<,
DIA=50 !! Diameter 3 c@Cb`w@
<~"q z*_
SURFACE fAUtqkB
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 zclt2 ?
OBJECT 'PELLICLE' 6by5VESx
INTERFACE COATING "BEAM_SPLITTER" AIR AIR Bq79Ev
.-
FACETS 4 4 OjJlGEl w
REDEFINE COLOR 1 */nb%QV
ROTATE X 45 1kb?y4xeJ
b'M g
!! Retro Reflector 1 PS`)6yn{_
SURFACE ;]Y.2 J
PLANE Z 0 ELLIPSE 2@(DIA/2) Ywr^uy1V,/
OBJECT 'RETRO1_FRONT' uPR usG4!R
INTERFACE COAT REFLECT AIR SCHOTT_BK7 4K0N$9pd:
FACETS 4 4 ua`2
& ;T=
REDEFINE COLOR 1 3z\:{yl
ROTATE X -90 ^:{l~~9iKp
SHIFT Y (PL) ;O Pz T9
}k \a~<'X
!! Retro Reflector 2 Pk~P
TILT_WAVES=2 !! Tilt in waves N=tyaS(YJ
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees |5e/ .T$
^YenS6`F
SURFACE TeHL=\L-^
PLANE Z 0 ELLIPSE 2@(30) S@N&W&W#~
OBJECT 'RETRO2_FRONT' +;:i,`Lmg
INTERFACE COAT REFLECT AIR SCHOTT_BK7 1ReO.Dd`R
FACETS 4 4 [5 a`$yaQ
REDEFINE COLOR 1 WZ 6!VE {
SHIFT Z (PL) _)2N Fq
ROTATE X (TILT) j#- ZL-N
c!{.BgGN
!! DETECTOR =ZzhH};aX
SURFACE ~}8 3\LI}
PLANE Z 0 RECT 2@(DIA) 78dmXOZ'_h
OBJECT 'DETECTOR' *|_u~v:)|5
INTERFACE COAT ABSORB AIR SCHOTT_BK7 Pa0t f:
FACETS 4 4 Xw9,O8}C7
REDEFINE COLOR 1 il5WLi;{
ROTATE X 90 p7zHP
!!ROTATE Z 45 /A|ofAr)
SHIFT Y -(PL) kW6}57iV
=!{}:An1$
!! Verify Geometry u"X8(\pOn
WINDOW Y Z uDH)0#
PLOT FACETS 7 7 OVERLAY P)>WIQSr
EJdq"6S
!! Define source 0)k%nIhj
PARABASAL 4 cO)GiWE
BEAMS COHERENT DIFFRACT HmbTV(lC
WAVELENGTH 6328 ANGSTROMS dL 6sb;7R
WIDTHS 1.6 'qQ DM_+
g@B9i =
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 )ck x&e
SOURCE DIRECTION Z 0 0 =*8"ci $
,dZ
9=]
TRACE PLOT COLOR 2 [OH>NpL
$VIEW Zu&trxnNf[
Ls*.=ARq
PIXELS 101 wnt^WW=a[
CONSIDER ONLY DETECTOR hl6al:Y
SPREAD NORMAL |06J4H~k
WINDOW Z -2@(DIA/2) X -2@(DIA/2) 8ru@ 8|r
WINDOW 1.2 !! Enlarge by 20% LO# {
SPREAD NORMAL ,_\h)R_
I`Rxij z
DISPLAY 0IQu6
X
PICTURE Br \/7F
RETURN O=c &
|
|