| 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 @%OPy|=,{
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这边有一个Michelson Interferometer, mPs%ZC
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我试着调整DETECTOR的角度, 但它记录到的影像都一样, 4j X@m
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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, -,QKTxwo>
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但我这里无法看到, ZD5 I5
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请问该如何处理呢, g.I(WJX0
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下面是程式 i}PK $sa#c
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SYSTEM NEW /Jxq
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RESET onnI !
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UNITS CENTIMETERS *.," N}
WAVELENGTH 632.8 NANOMETERS `d7gm;ykp
N;-/w ip
WL=632.8E-7 j)jCu ;`
PI=4*ATAN(1) "jL1. 9%"
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COATING PROPERTIES vv+TKO
0.0 0.0 'ABSORB' !1a}| !Zn
0.0 1.0 'TRANSMIT' I@n*[EC
1.0 0.0 'REFLECT' &Nc[$H7<
0.5 0.5 'BEAM_SPLITTER' <7=&DpjI7F
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PL=100 !! Path length 1ZT^)/ G
DIA=50 !! Diameter h&lyxYZ+T$
A LXUaE.
SURFACE Q_ctX|.
PLANE Z 0 ELLIPSE (DIA/2) (1.414*DIA/2) 0 0 0 [6AHaOhR'
OBJECT 'PELLICLE' 8r, 9OM
INTERFACE COATING "BEAM_SPLITTER" AIR AIR `-VG ?J
FACETS 4 4 i<%m Iq1L
REDEFINE COLOR 1 0 _Q * E3
ROTATE X 45 RX:R*{] -
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!! Retro Reflector 1 pe|X@o
SURFACE ^_@r.y]
PLANE Z 0 ELLIPSE 2@(DIA/2) NX?}{'f
OBJECT 'RETRO1_FRONT' 3 m6$YWO
INTERFACE COAT REFLECT AIR SCHOTT_BK7 ^^%JoQ.
FACETS 4 4 'X9AG6K1
REDEFINE COLOR 1 Te# ]C n|
ROTATE X -90 J*5hf: ?i
SHIFT Y (PL) H4t)+(:D '
l bRzx4=\y
!! Retro Reflector 2 BU`ckK\(
TILT_WAVES=2 !! Tilt in waves p"2m90IO
TILT=(TILT_WAVES*WL/(DIA/2))*180/PI !! Tilt in degrees Ua %UbAt
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SURFACE wfE^Sb3
PLANE Z 0 ELLIPSE 2@(30) TN5>" ? ?"
OBJECT 'RETRO2_FRONT' Hb+X}7c$
INTERFACE COAT REFLECT AIR SCHOTT_BK7 u t$c)_
FACETS 4 4 a0PE^U
REDEFINE COLOR 1 Oukd_Ryf
SHIFT Z (PL) c S4DN
ROTATE X (TILT) jgG$'|s}
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!! DETECTOR x>v-m*4Z4@
SURFACE p! _[qs
PLANE Z 0 RECT 2@(DIA) W RF.[R"
OBJECT 'DETECTOR' Lbcy:E*g
INTERFACE COAT ABSORB AIR SCHOTT_BK7 %,0%NjK
FACETS 4 4 I7~| ~<
REDEFINE COLOR 1 ?-f,8Z|h
ROTATE X 90 gljo;f:
!!ROTATE Z 45 fN@{y+ 6
SHIFT Y -(PL) V43TO
{? Od{d9
!! Verify Geometry =_l)gx+Y+y
WINDOW Y Z lCR!:~
PLOT FACETS 7 7 OVERLAY t8P PE
PQ$sOK|/
!! Define source L_ ~8"I_
PARABASAL 4 YlTaN, ?j
BEAMS COHERENT DIFFRACT 5X#E@3g5
WAVELENGTH 6328 ANGSTROMS >{wuEPA
WIDTHS 1.6 " N 3) Qr
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GRID ELLIPTIC Z -100 -4@(DIA/2) 2@11 A
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SOURCE DIRECTION Z 0 0 Hkege5{
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TRACE PLOT COLOR 2 Q,gLi\siI
$VIEW le8 #Z}p
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PIXELS 101 z8"7u /4v{
CONSIDER ONLY DETECTOR xR?V,uV'$&
SPREAD NORMAL <F(><Xw,-4
WINDOW Z -2@(DIA/2) X -2@(DIA/2) nn +_TMu
WINDOW 1.2 !! Enlarge by 20% I-kWS 4
SPREAD NORMAL 19W:-Om
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DISPLAY V%*b@zv
PICTURE -_em%o3XC
RETURN @ }&_Dv f
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