| 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 Tq.MubaO
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这边有一个Michelson Interferometer, m9 ^ m
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, }5QZ6i#
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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, llHN2R%(
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但我这里无法看到, O 0Vn";Q 4
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请问该如何处理呢, +Kxe ymwr2
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下面是程式 E {I)LdAqK
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SYSTEM NEW 3csm`JVK
RESET t `N
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UNITS CENTIMETERS y>DfM5>
WAVELENGTH 632.8 NANOMETERS [lmHXf@1C
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WL=632.8E-7 +8L(pMI4
PI=4*ATAN(1) w:~nw;.T
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COATING PROPERTIES
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0.0 0.0 'ABSORB' 7qCJ]%)b6
0.0 1.0 'TRANSMIT' }IxY(`:qs
1.0 0.0 'REFLECT' WZfk}To1#
0.5 0.5 'BEAM_SPLITTER' 9:bh3@r/
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PL=100 !! Path length eD>-`'7 <
DIA=50 !! Diameter x.j Yip
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SURFACE _ C7abw-
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 6ON
OBJECT 'PELLICLE' M Ak-= ? t
INTERFACE COATING "BEAM_SPLITTER" AIR AIR DLwC5I ir
FACETS 4 4 L7~+x^kw
REDEFINE COLOR 1 V+4k!
ROTATE X 45 EuR !yD
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!! Retro Reflector 1 9} K(Q=
SURFACE L%c ]%3A
PLANE Z 0 ELLIPSE 2@(DIA/2) @m !9"QhC
OBJECT 'RETRO1_FRONT' l8hvq(,{
INTERFACE COAT REFLECT AIR SCHOTT_BK7 V0SW 5
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FACETS 4 4 N7RG5 ?
REDEFINE COLOR 1 ~frPV8^DP
ROTATE X -90 -s?dzX
SHIFT Y (PL) N} .Q%&6:
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!! Retro Reflector 2 Thht_3_C,f
TILT_WAVES=2 !! Tilt in waves ,H#qgnp
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees $S($97IU=
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SURFACE Z~-T0Ab-
PLANE Z 0 ELLIPSE 2@(30) n zQYn
OBJECT 'RETRO2_FRONT' e)ZyTuj
INTERFACE COAT REFLECT AIR SCHOTT_BK7 =F^->e0N
FACETS 4 4 X:xC>4]gG'
REDEFINE COLOR 1 9T bS>o
SHIFT Z (PL) {kRDegby
ROTATE X (TILT) H3UX {|[
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!! DETECTOR Se;?j-
SURFACE ) <]w23i
PLANE Z 0 RECT 2@(DIA) E7Gi6w~\
OBJECT 'DETECTOR' 8JjU 9#
INTERFACE COAT ABSORB AIR SCHOTT_BK7 E,Z B;
FACETS 4 4 5CRc]Q #@
REDEFINE COLOR 1 WIH4Aw
ROTATE X 90 5tg ILxSK
!!ROTATE Z 45 KL:6P-3
SHIFT Y -(PL) 61s2bt#
}] n>A
!! Verify Geometry m_r@t*
WINDOW Y Z AK*mcTr
PLOT FACETS 7 7 OVERLAY C-:SQf
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!! Define source 0^)8*O9$
PARABASAL 4 +s*l#'Q
BEAMS COHERENT DIFFRACT " t%1@b*u
WAVELENGTH 6328 ANGSTROMS ZB_16&2Ow
WIDTHS 1.6 =?`y(k4a
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 5u
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SOURCE DIRECTION Z 0 0 yG 4LQE
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TRACE PLOT COLOR 2 P98X[0&
$VIEW D<D
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PIXELS 101 0,L$x*Nj5
CONSIDER ONLY DETECTOR #BT6bH08X
SPREAD NORMAL J?n)FgxS
WINDOW Z -2@(DIA/2) X -2@(DIA/2) \{+nXn
WINDOW 1.2 !! Enlarge by 20% !rsqr32]
SPREAD NORMAL 3>@qQ_8%~
x JF6l!`
DISPLAY faL^=CAe
PICTURE ;SlS!6.W-
RETURN u=v%7c2Mx}
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