| 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 H"v3?g`S%
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这边有一个Michelson Interferometer, 43_;Z| T
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, qf7:Q?+.|
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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, eK]g FXk
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但我这里无法看到, GL4-v[]6I
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请问该如何处理呢, T(UdV]~]"
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下面是程式 9rhIDA(wc
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--------------------------------------------------------------- ym* ,X@Qg^
SYSTEM NEW LR :Qb]|"
RESET H8^U!"~E
V p3 r
UNITS CENTIMETERS OC)~psQK
WAVELENGTH 632.8 NANOMETERS OGmOk>_
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WL=632.8E-7 z'cK,psq(
PI=4*ATAN(1) w&6c`az8
%;5AF8# c
COATING PROPERTIES :]?y,e%xu,
0.0 0.0 'ABSORB' t- Rp_2t
0.0 1.0 'TRANSMIT' rL+K Sb
1.0 0.0 'REFLECT' }(}+I}&~
0.5 0.5 'BEAM_SPLITTER' x,kZ>^]&b
4 [@`j{
PL=100 !! Path length ZY%]F,Y
DIA=50 !! Diameter QBi&Q%p iy
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SURFACE [c6I/U=-
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 d'1 L#`?
OBJECT 'PELLICLE' C[cNwvz
INTERFACE COATING "BEAM_SPLITTER" AIR AIR l}|KkW\y
FACETS 4 4 ~N</;{}fL4
REDEFINE COLOR 1 KEfn$\
ROTATE X 45 oBVYgv)
g[P.lpi{U
!! Retro Reflector 1 CuE>=y- "I
SURFACE vfW
PLANE Z 0 ELLIPSE 2@(DIA/2) yHvF"4]
OBJECT 'RETRO1_FRONT' /.leY $
INTERFACE COAT REFLECT AIR SCHOTT_BK7 A]V cQ_e
FACETS 4 4 ;d"F'd
REDEFINE COLOR 1 MGUzvSf
ROTATE X -90 #N`~. 96
SHIFT Y (PL) yFfa/d
nF0V`O \T
!! Retro Reflector 2 8FY.u{93
TILT_WAVES=2 !! Tilt in waves qPgLSZv
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees
T~I5W=y
[UJC/GtjS
SURFACE -Fcg}\9
PLANE Z 0 ELLIPSE 2@(30) j(j o8
OBJECT 'RETRO2_FRONT' 2FHWOy
/N@
INTERFACE COAT REFLECT AIR SCHOTT_BK7 #q2 cVN1
FACETS 4 4 vB0O3]
REDEFINE COLOR 1 uo`O$k<;
SHIFT Z (PL) #& +0hS
ROTATE X (TILT) l#8SlRji
FU-YI"
!! DETECTOR rDNz<{evj
SURFACE ]fH U/%
PLANE Z 0 RECT 2@(DIA) 9Vp|a&Ana
OBJECT 'DETECTOR' p1B~:9y9X
INTERFACE COAT ABSORB AIR SCHOTT_BK7 E}U[VtaC
FACETS 4 4 yRQR @
REDEFINE COLOR 1 hdB.u^!
ROTATE X 90 ?b?` (JTR
!!ROTATE Z 45 LQVa,'
SHIFT Y -(PL) I>k >^
|1d;0*HIgX
!! Verify Geometry oi P8~
WINDOW Y Z S4RvWTtQV
PLOT FACETS 7 7 OVERLAY z@E-pYV
Rpit>
!! Define source _is<.&f6
PARABASAL 4 3`@al hD'
BEAMS COHERENT DIFFRACT ,#G>&
WAVELENGTH 6328 ANGSTROMS as\6XW$;Q
WIDTHS 1.6 Yk',a$.S
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 9W$d'IA
SOURCE DIRECTION Z 0 0 ( P;z*
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e(/~;"r{
TRACE PLOT COLOR 2 ` aTkIo:ms
$VIEW G_E U/p<Q
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PIXELS 101 /s.O3x._'
CONSIDER ONLY DETECTOR ODn 6%fp%
SPREAD NORMAL _RG!lmJV
WINDOW Z -2@(DIA/2) X -2@(DIA/2) 41luFtE9
WINDOW 1.2 !! Enlarge by 20% BXgAohg!
SPREAD NORMAL p" 4i(CWGS
k|W =kt$ P
DISPLAY m x@F^
PICTURE j I
RETURN !4uTi [e
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