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  1. Extreme ultraviolet. Extreme ultraviolet composite image of the Sun (red: 21.1 nm, green: 19.3 nm, blue: 17.1 nm) taken by the Solar Dynamics Observatory on August 1, 2010. 13.5 nm extreme ultraviolet light is used commercially for photolithography as part of the semiconductor fabrication process. This image shows an early, experimental tool.

  2. en.wikipedia.org › wiki › UltravioletUltraviolet - Wikipedia

    Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...

  3. Specific ultraviolet absorbance (SUVA) is the absorbance of ultraviolet light in a water sample at a specified wavelength that is normalized for dissolved organic carbon (DOC) concentration. Specific UV absorbance (SUVA) wavelengths have analytical uses to measure the aromatic character of dissolved organic matter by detecting ...

  4. Ultraviolet divergence. In physics, an ultraviolet divergence or UV divergence is a situation in which an integral, for example a Feynman diagram, diverges because of contributions of objects with unbounded energy, or, equivalently, because of physical phenomena at infinitesimal distances.

  5. en.wikipedia.org › wiki › Spektr-UVSpektr-UV - Wikipedia

    Spektr-UV, also known as World Space Observatory-Ultraviolet ( WSO-UV ), is a proposed ultraviolet space telescope intended for work in the 115 nm to 315 nm wavelength range. [3] [4] It is an international project led by Russia (Roscosmos), with participation from Spain and Japan.

  6. 25 October 2017. ( 2017-10-25) –. present. ( present) Ultraviolet is a Polish television series starring Marta Nieradkiewicz, Agata Kulesza and Sebastian Fabijański. The plot revolves around a thirty-year-old woman (Ola Serafin) who has to move back to her hometown of Łódź. After observing a suspicious incident one night, she decides to ...

  7. Credit:GALEX/ NASA / JPL - Caltech. Ultraviolet astronomy is the observation of electromagnetic radiation at ultraviolet wavelengths between approximately 10 and 320 nanometres; shorter wavelengths—higher energy photons—are studied by X-ray astronomy and gamma-ray astronomy. [1] Ultraviolet light is not visible to the human eye. [2]

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