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interferometer
(redirected from interferometrically)

    Also found in: Dictionary/thesaurus, Medical, Hutchinson 0.02 sec.
interferometer: see interference interferometer. When the wavelength of the light is known, the interferometer indicates the thickness of the film by the interference patterns it forms. The reverse process, i.e., the measurement of the length of an unknown light wave, can also be carried out by the interferometer.
..... Click the link for more information.  under Interference as a Scientific Tool. See also virtual telescope virtual telescope, a computerized interferometer (see interference ) that merges the images from two or more telescopes to obtain a single, large, enhanced image.
..... Click the link for more information. .

interferometer

An instrument that measures the wavelengths of light and distances. It transmits two radio signals or beams of light and uses the interference principle (how they reinforce or neutralize each other) to determine the measurement.

interferometer [‚in·tə·fə′räm·əd·ər]
(optics)
An instrument in which light from a source is split into two or more beams, which are subsequently reunited after traveling over different paths and display interference.


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c] has been determined interferometrically to an uncertainty of about 5 X [10.
High-precision determination of the neutron coherent scattering length by Abbas, Sohrab / Journal of Research of the National Institute of Standards and Technology
The thickness of the etalon was measured by the Precision Engineering Division at NIST using a mechanical contact method, which compares the sample etalon to a gauge block which is measured interferometrically [11].
High accuracy ultraviolet index of refraction measurements using a ... by Kaplan, Simon G. / Journal of Research of the National Institute of Standards and Technology
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