C
OLUMBIA
U
NIVERSITY -
D
EPARTMENT OF
P
HYSICS
PHYS 1493
Experiment 8:
INTERFEROMETERS
Equipment Needed
Interference Theory
Michelson Interferometer
The Fabry-Perot Interferometer
8.1 Setup and Operation
8.1.1 Laser
8.1.2 Fabry-Perot Mode
8.1.3 Accurate Fringe Counting
8.2 Determining Laser Wavelength
8.2.1 Fabry-Perot
8.2.2 Michelson
8.3 The Index of Refraction of Air
8.4 Index of Refraction of Glass
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