interferometer | englesko - srpski prevod

interferometer

imenica

Any instrument that uses interference patterns to make accurate measurements of waves.
Instrument for analysing spectra of light
Instrument measuring wavelengths of light and analyzing spectra.
In physics, a device that splits a beam of light into two parts, the parts being recombined after traveling different paths to form an interference pattern of light and dark bands.
Interferometers are used in many branches of science and industry where accurate measurements of distances and angles are needed.
In the Michelson interferometer, a light beam is split into two by a semisilvered mirror. The two beams are then reflected off fully silvered mirrors and recombined. The pattern of dark and light bands is sensitive to small alterations in the placing of the mirrors, so the interferometer can detect changes in their position to within one ten-millionth of a meter. Using lasers, compact devices of this kind can be built to measure distances, for example to check the accuracy of machine tools.
In radio astronomy, interferometers consist of separate radio telescopes, each observing the same distant object, such as a galaxy, in the sky. The signal received by each telescope is fed into a computer. Because the telescopes are in different places, the distance traveled by the signal to reach each differs and the overall signal is akin to the interference pattern in the Michelson interferometer. Computer analysis of the overall signal can build up a detailed picture of the source of the radio waves.
In space technology, interferometers are used in radio and radar systems. These include space-vehicle guidance systems, in which the position of the spacecraft is determined by combining the signals received by two precisely spaced antennae mounted on it.

1. interferometar

muški rod

Aparat za merenje dužine svetlosnih talasa pomožću pojava interferencije svetlosnih zrakova.

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