Youngs double slit experiment

1
Youngs double slit experiment
Division of Wavefront
2
Michelson Interferometer
Division of Amplitude
3
Effective Arrangement
4
Fringe Conditions
Dark
5
Circular Fringes
6
Central Dark Fringe
7
Fringe Spacing
8
Increasing d
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Measuring Wavelength
10
Close Spectral Lines
Example Sodium 589.0 nm and 589.6 nm
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Concordance
12
Discordance
13
Michelson Interferometer
Observer Year Arm
length (in m)
Michelson
1881
1.2
Michelson Morley
11.0
1887
Miller
1902-1926
32.0
1929
Michelson et al
25.9
21.0
Joos
1930
14
LIGO
15
Ligo
Arm Length 4 km Hanford and Livingston in USA
Caltech, MIT and other US Universities
16
Gravitational Waves
17
Ligo