UV light source
AssigneeQuay Technologies Ltd.
InventorJames Lodovico Moruzzi
Life of this patent
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Abstract
There is described an ultraviolet light source comprising an ultraviolet lamp, a microwave energy source for exciting said ultraviolet lamp and an enclosure for enclosing the ultraviolet lamp, the enclosure comprising an optically transparent waveguide. The ultraviolet light source is particularly suitable for use in the promotion of photochemical reactions and of molecular dissociation in liquids.
Claims43
An ultraviolet light source comprising
- an ultraviolet bulb;
- a microwave energy source for exciting said ultraviolet bulb;
- and
- an optically transparent waveguide for guiding microwave energy originating from said microwave energy source to the ultraviolet bulb, wherein said waveguide wholly surrounds the ultraviolet bulb, and
- wherein the dominant wavelength of the ultraviolet light source is either
- (a) from 140 to 240 nm and the ultraviolet light source is suitable for use in promoting molecular dissociation reactions;
- or
- (b) from 300 to 400 nm and the ultraviolet light source is suitable for use in promoting photochemical reactions.
A lamp comprising
- an ultraviolet bulb, said bulb being excitable by microwave energy;
- and
- an optically transparent waveguide for guiding microwave energy originating from a microwave energy source to the ultraviolet bulb, wherein said waveguide wholly surrounds the ultraviolet bulb, and
- wherein the dominant wavelength of the lamp is either
- (a) from 140 to 240 nm and the lamp is suitable for use in promoting molecular dissociation reactions;
- or
- (b) from 300 to 400 nm and the lamp is suitable for use in promoting photochemical reactions.
A method of promoting the dissociation of a molecular entity comprising
- applying microwave energy to an ultraviolet lamp to produce ultraviolet radiation of dominant wavelength of from 140 to 240 nm;
- and
- exposing the molecular entity to said ultraviolet radiation, wherein
- an optically transparent waveguide guides said microwave energy to said ultraviolet lamp and said waveguide wholly surrounds the ultraviolet lamp.
A method of promoting a photochemical reaction in a substance comprising
- applying microwave energy to an ultraviolet lamp to produce ultraviolet radiation having a dominant wavelength of from 300 to 400 nm;
- and
- exposing an entity to said ultraviolet radiation,
- wherein an optically transparent waveguide guides said microwave energy to said ultraviolet lamp and said waveguide wholly surrounds the lamp.
An ultraviolet light source comprising
- a plurality of ultraviolet bulbs;
- a microwave energy source for exciting said plurality of ultraviolet bulbs;
- and
- an optically transparent waveguide for guiding microwave energy originating from said microwave energy source to the plurality of ultraviolet bulbs, wherein said waveguide wholly surrounds the plurality of ultraviolet bulbs.
A lamp comprising
- a plurality of ultraviolet bulbs, said plurality of bulbs being excitable by microwave energy;
- and
- an optically transparent waveguide for guiding microwave energy originating from a microwave energy source to the plurality of ultraviolet bulbs, wherein said waveguide wholly surrounds the plurality of ultraviolet bulbs.
Dependencies are inferred from the claim text.