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Description: The heart of the Fabry–Pérot interferometer are a pair of partially silvered glass optical flats spaced several millimeters to centimeters apart with the silvered surfaces facing each other. (Alternatively, a Fabry–Pérot etalon is made of a transparent plate with two reflecting surfaces.)
Interferometry typically uses electromagnetic waves and is an important investigative technique in the fields of astronomy, fiber optics, engineering metrology, optical metrology, oceanography, seismology, spectroscopy (and its applications to chemistry), quantum mechanics, nuclear and particle physics, plasma physics, biomolecular interactions ...
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While white light interferometry is not new, combining old interferometry techniques with modern electronics, computers, and software has produced extremely powerful measurement tools. Yuri Denisyuk and Emmett Leith , have done much in the area of white light holography and interferometry.
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For example, the Wind Imaging Interferometer, WINDII, [24] on the Upper Atmosphere Research Satellite, UARS, (launched on September 12, 1991) measured the global wind and temperature patterns from 80 to 300 km by using the visible airglow emission from these altitudes as a target and employing optical Doppler interferometry to measure the small ...
A Fabry–Pérot interferometer differs from a Fabry–Pérot etalon in the fact that the distance ℓ between the plates can be tuned in order to change the wavelengths at which transmission peaks occur in the interferometer. Due to the angle dependence of the transmission, the peaks can also be shifted by rotating the etalon with respect to ...
The first application of the N-slit interferometer was the generation and measurement of complex interference patterns. [ 5 ] [ 6 ] These interferograms are accurately reproduced, or predicted, by the N -slit interferometric equation for either even ( N = 2, 4, 6,...), or odd ( N = 3, 5, 7,...), numbers of slits.