| 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 $?Et sf#*'
c@+ ;4Iz
这边有一个Michelson Interferometer, \Mi] !b|8
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, /Ir|& < yB
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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, I6k S1
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但我这里无法看到, `|[" {j}^
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请问该如何处理呢, VcLB0T7m\
j-?zB .jAh
下面是程式 0+i\j`O&
BIFuQ?j3
--------------------------------------------------------------- wR x5` @
SYSTEM NEW j:JM v
RESET yf K Jpy
2u(v hJ
F5
UNITS CENTIMETERS *=6,}rX"I
WAVELENGTH 632.8 NANOMETERS A b"mX0n
=:|fN 3nJ2
WL=632.8E-7 1 z4s1 Y
PI=4*ATAN(1) | k
# ~
qtx5N)J6
COATING PROPERTIES z%F68 f73
0.0 0.0 'ABSORB' u SAb
0.0 1.0 'TRANSMIT' q,< A W>
1.0 0.0 'REFLECT' # rE#lHo
0.5 0.5 'BEAM_SPLITTER' 6 X@]<R
BFCF+hU^6R
PL=100 !! Path length r N"P
IH
DIA=50 !! Diameter W WO@UL GY
SO}$96
SURFACE ,P?R
3
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 -:5]*zVp+-
OBJECT 'PELLICLE' Xv` c@n )
INTERFACE COATING "BEAM_SPLITTER" AIR AIR !' -|]xx(
FACETS 4 4 ]^>#?yEA3
REDEFINE COLOR 1 qep<7 QO
ROTATE X 45 *kI1NchF
5]Wkk~a
!! Retro Reflector 1 !kPZuU `T
SURFACE q=o "]
6
PLANE Z 0 ELLIPSE 2@(DIA/2) x k1pZQ8c
OBJECT 'RETRO1_FRONT' 12NV
INTERFACE COAT REFLECT AIR SCHOTT_BK7 -rEg(@S %
FACETS 4 4 Ly0U')D:
REDEFINE COLOR 1 +O@v|}9"w3
ROTATE X -90 rC(-dJk V
SHIFT Y (PL) JG2)-x;9
oNgu- &
!! Retro Reflector 2 HxC_n h
TILT_WAVES=2 !! Tilt in waves l
)hg!(
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees w% Ug9
B!S s
35<
SURFACE c'9-SY1'~
PLANE Z 0 ELLIPSE 2@(30) -&#H@Gyw
OBJECT 'RETRO2_FRONT' QU&b5!;&
INTERFACE COAT REFLECT AIR SCHOTT_BK7 +sTZ)
5vQ
FACETS 4 4 zH0{S.3 k
REDEFINE COLOR 1 ;st$TVzkn
SHIFT Z (PL) K1P3
FfG
ROTATE X (TILT) JsOu
*9R
z Uw9
!! DETECTOR SI:+I4i
SURFACE =Vgj=19X(
PLANE Z 0 RECT 2@(DIA) 0FDfB;
OBJECT 'DETECTOR' OVsZUmSG
INTERFACE COAT ABSORB AIR SCHOTT_BK7 -L9I;]:KY
FACETS 4 4 iU5Aj:U3
REDEFINE COLOR 1 4eSV( u)4
ROTATE X 90 -3M6[`/
!!ROTATE Z 45 N XwQvm;q
SHIFT Y -(PL) P|"U
T~nm Eap
!! Verify Geometry 0G(T'Z1
WINDOW Y Z YpFh_Zr[
PLOT FACETS 7 7 OVERLAY P'prp=JD
@wWro?s'p
!! Define source WQ\H 2go
PARABASAL 4 zc QFIP
BEAMS COHERENT DIFFRACT \O"EK~x}/
WAVELENGTH 6328 ANGSTROMS e ;4y5i
WIDTHS 1.6 k1A64?p
")l_>y ?
GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 @:'swO/\<
SOURCE DIRECTION Z 0 0 }gE? ms4$
8:j8> K*6
TRACE PLOT COLOR 2 3{mu 7 7
$VIEW Q\H_ lB
`+~@VZ3m
PIXELS 101 @"jV^2oY1
CONSIDER ONLY DETECTOR g-c\ ;
SPREAD NORMAL yqpb_h9
WINDOW Z -2@(DIA/2) X -2@(DIA/2) qTA@0fL
WINDOW 1.2 !! Enlarge by 20% fP41 B
SPREAD NORMAL #ii,GN~N
qb+vptg@I
DISPLAY Nz+Jf57t
PICTURE
1* _wJ
RETURN 0K -jF5i$`
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