optical interferometer
21Optical dilatometer — An optical dilatometer is a non contact device able to measure thermal expansions or sintering kinetics of any kind of materials, unlike traditional push rod dilatometer, it can push up to the dilatometric softening of the specimen. It is a… …
22optical flat — noun a disk of high quality quartz glass having at least one side ground and polished with a deviation in flatness less than 50 nanometers all over, and a surface quality of 5 microfinish or less; used, in an interferometer, to measure the… …
23optical flat — a glass plate so perfectly flat that only an interferometer can measure its unevenness …
24interferometer — in•ter•fer•om•e•ter [[t]ˌɪn tər fəˈrɒm ɪ tər[/t]] n. 1) opt a device that splits light into two or more beams, usu. by reflection, and then brings them together to produce interference, used to measure wavelength, index of refraction, and… …
25Astronomical optical interferometry — One of the first astronomical interferometers was built on the Mount Wilson Observatory s reflector telescope in 1920 in order to measure the diameters of stars. The red giant star Betelgeuse was among the first to have its diameter determined in …
26Astronomical interferometer — An astronomical interferometer is an array of telescopes or mirror segments acting together to probe structures with higher resolution. Astronomical interferometers are widely used for optical astronomy, infrared astronomy, submillimetre… …
27radio interferometer — Astron. any of several different types of instrumentation designed to observe interference patterns of electromagnetic radiation at radio wavelengths: used in the discovery and measurement of radio sources in the atmosphere. * * * ▪ astronomical… …
28Mark III Stellar Interferometer — The Mark III Stellar Interferometer was a long baseline astronomical optical interferometer, located at the Mount Wilson Observatory, California, United States.[1] It had a maximum baseline of 32 meters and operated in wavelengths between 450 and …
29optisches Interferometer — optinis interferometras statusas T sritis Standartizacija ir metrologija apibrėžtis Interferometras, naudojantis optinės spinduliuotės šaltinius. atitikmenys: angl. optical interferometer vok. optisches Interferometer, n rus. оптический… …
30optisches Interferometer — optinis interferometras statusas T sritis fizika atitikmenys: angl. optical interferometer vok. optisches Interferometer, n rus. оптический интерферометр, m pranc. interféromètre optique, m …
