1. Theoretical background
1.1 The wave aspect of light
A ray of monochromatic (single-color), parallel light (plane wave) propagates a sinusoidal electromagnetic vibration whose amplitude is a function of time t :
with :
- a :
-
complex amplitude
- f :
-
light frequency; this is independent of the nature of the medium in which the radiation propagates, as is the period T = 1/f.
-
The wavelength depends on the medium in...
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Theoretical background
Three examples of interferometric systems
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