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interferometry

n. (context physics English) the design and use of optical or radio interferometers

Wikipedia
Interferometry

Interferometry is a family of techniques in which waves, usually electromagnetic, are superimposed in order to extract information about the waves. Interferometry 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, remote sensing, biomolecular interactions, surface profiling, microfluidics, mechanical stress/strain measurement, velocimetry, and optometry.

Interferometers are widely used in science and industry for the measurement of small displacements, refractive index changes and surface irregularities. In analytical science, interferometers are used in continuous wave Fourier transform spectroscopy to analyze light containing features of absorption or emission associated with a substance or mixture. An astronomical interferometer consists of two or more separate telescopes that combine their signals, offering a resolution equivalent to that of a telescope of diameter equal to the largest separation between its individual elements.

Usage examples of "interferometry".

The high-energy proton spectrpmetry clusters flunked out, too, as did the gravimetric distortion mapping scanner, the fixed angle gamma frequency counter, the wide-angle EM radiation imaging scanner, the quark population analysis counter, the Z-range particulate spectrometry sensor, the low-frequency EM flux sensor, the localized subspace field stress sensor, the parametric subspace field stress sensor, the hydrogen-filter subspace flux scanner, the linear calibration subspace flux sensor, the variable band optical imagining cluster, the virtual aperture graviton flux spectrometer, the high-resolution graviton flux spectrometer, the very low energy graviton spin pola-rimeter, the passive imaging gamma interferometry sensor, the low-level imagining sensor, the virtual particle mapping camera, and even the life-form analysis instrument counter.

One may already purchase synthetic aperture radar interferometry images from any number of sources, and panchromatic visual images with one meter resolution will soon be available over the counter for remarkably little cost.

And according to the lobsters, who have been indulging in some very long baseline interferometry, most of the stars in the nearest cluster are redder than expected and metal-depleted.

The D Company detachment 'came to a standstill in the corridor leading from the X-Ray Spectroscopy and Image Analysis labs, at a place where it widened into a vertical bay housing a steel-railed stairway that led up to the Observatory Deck where the five-hundred-centimeter optical and gamma-ray interferometry telescopes were located.