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interferometry

  • a word derived from interferometer.
    interferometer
    noun
    a device that separates a beam of light into two ray beams, usually by means of reflection, and that brings the rays together to produce interference, used to measure wavelength, index of refraction, and astronomical distances.

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The ability to see such fine structure comes from interferometry, the same type of technique used to help image the black hole at the center of our galaxy.

From Science Daily Dec. 31, 2025

Another technique, which I’m the expert on in the Iceland Met Office, is called synthetic aperture radar interferometry.

From Slate Nov. 16, 2023

Two discoveries—Bell’s theorem and the Michelson-Morley interferometry experiment—upended our understandings of space, time and the nature of reality, so I can’t resist voting for them both.

From Scientific American Jul. 27, 2023

The EHT is not a single instrument, but rather a consortium of telescopes across the planet that collected data in a technique called very long baseline interferometry.

From Washington Post Apr. 13, 2023

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.

From Shock and Awe — Achieving Rapid Dominance by James P. Wade

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