- An interferometer that incorporates an etalon, used chiefly in astronomy.More example sentences
- In optics, a Fabry-Pérot interferometer or etalon is typically made of a transparent plate with two reflecting surfaces, or two parallel highly reflecting mirrors.
- The Fabry-Perot interferometer also represents a tool essential to studying lasers.
early 20th century: named after Charles Fabry (1867–1945) and Alfred Pérot (1863–1925), French physicists.
More definitions of Fabry–Pérot interferometerDefinition of Fabry–Pérot interferometer in:
- The US English dictionary