near ultraviolet


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Related to near ultraviolet: Ultraviolet Rays, Vacuum ultraviolet

near ultraviolet

A term of uncertain utility that dignifies ultraviolet light with wavelengths between 290 and 390 nm—i.e., ultraviolet A (UV-A, wavelength = 320–390) and ultraviolet B (UV-B, wavelength = 290–320).

near ul·tra·vi·o·let

(nēr ŭl'tră-vī'ŏ-lĕt)
Range of light with wave lengths between 290-390 nm.
References in periodicals archive ?
When the newly developed near ultraviolet LED is combined with the mixture of phosphor of the three primary colors (red/green/blue), it achieves high levels of color rendering property, enabling its use in general lighting.
The Extreme Ultraviolet Explorer (EUVE), launched last June, detects this band of radiation, which can't penetrate Earth's atmosphere and is intermediate in energy between the near ultraviolet and X-rays (SN: 5/23/92, p.
But orbiting 380 miles above Earth, the Hubble Space Telescope now reveals that the nucleus of NGC 3862 spews out a short jet of radiation, too short to have been detected with ground-based telescopes, in both visible light and the near ultraviolet.
Our planet's atmosphere still prevents ground-based instruments from glimpsing objects in the extreme or near ultraviolet.