17 Facts About Ultraviolet light


The amount of UV Ultraviolet light produced by the Sun means that the Earth would not be able to sustain life on dry land if most of that Ultraviolet light were not filtered out by the atmosphere.

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However, ultraviolet light is responsible for the formation of vitamin D in most land vertebrates, including humans.

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Many approaches seek to adapt visible Ultraviolet light-sensing devices, but these can suffer from unwanted response to visible Ultraviolet light and various instabilities.

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Ultraviolet light can be detected by suitable photodiodes and photocathodes, which can be tailored to be sensitive to different parts of the UV spectrum.

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Black Ultraviolet light lamp emits long-wave UV-A radiation and little visible Ultraviolet light.

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Ultraviolet light lasers have applications in industry, medicine, chemistry, free-air secure communications, computing, and manufacture of integrated circuits.

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Since Ultraviolet light can reach the eyes from the sides, full-coverage eye protection is usually warranted if there is an increased risk of exposure, as in high-altitude mountaineering.

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Ultraviolet light lamps are used as part of the analysis of some minerals and gems.

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Ultraviolet light radiation is used for very fine resolution photolithography, a procedure wherein a chemical called a photoresist is exposed to UV radiation that has passed through a mask.

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When exposed to UV Ultraviolet light, polymerization occurs, and so the adhesives harden or cure, usually within a few seconds.

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Fast processes such as flexo or offset printing require high-intensity Ultraviolet light focused via reflectors onto a moving substrate and medium so high-pressure Hg or Fe-based bulbs are used, energized with electric arcs or microwaves.

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Small high-pressure lamps can have Ultraviolet light focused and transmitted to the work area via liquid-filled or fiber-optic Ultraviolet light guides.

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Ultraviolet light lamps are used to sterilize workspaces and tools used in biology laboratories and medical facilities.

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Ultraviolet light radiation is used in several food processes to kill unwanted microorganisms.

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Pulsed Ultraviolet light is a technique of killing microorganisms on surfaces using pulses of an intense broad spectrum, rich in UV-C between 200 and 280 nm.

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Ultraviolet light traps called bug zappers are used to eliminate various small flying insects.

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Ultraviolet light radiation is helpful in the treatment of skin conditions such as psoriasis and vitiligo.

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