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History
Charles Fabry
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Marie Paul Auguste Charles Fabry was a French physicist working on optics. Together with Alfred Pérot he invented the Fabry–Pérot interferometer. He is also one of the co-discoverers of the ozone layer.
Charles Fabry
Charles Fabry
Fabry at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910
Fabry at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910
Portrait of Fabry in a 1938 copy of "Oeuvres Choisies Publiées à l'Occasion de son Jubilé Scientifique"
Portrait of Fabry in a 1938 copy of "Oeuvres Choisies Publiées à l'Occasion de son Jubilé Scientifique"
Table featured in "Oeuvres Choisies Publiées à l'Occasion de son Jubilé Scientifique"
Table featured in "Oeuvres Choisies Publiées à l'Occasion de son Jubilé Scientifique"
Fabry–Pérot interferometer
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In optics, a Fabry–Pérot interferometer (FPI) or etalon is an optical cavity made from two parallel reflecting surfaces. Optical waves can pass through the optical cavity only when they are in resonance with it. It is named after Charles Fabry and Alfred Perot, who developed the instrument in 1899. Etalon is from the French étalon, meaning "measuring gauge" or "standard".
A commercial Fabry–Pérot device
A commercial Fabry–Pérot device