Optical array converting uv radiation

G - Physics – 01 – J

Patent

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G01J 1/04 (2006.01) G02B 5/08 (2006.01)

Patent

CA 2486807

An optical array containing a system of absorptive filters (3), a system of interference filters (4) and a scatterer (1). For the sun light the spectral characteristics of transmission of the optical array is close to the world- wide accepted Diffey Standard. That standard models human skin sensitivity to UV burning. The invention allows making inexpensive, miniature UV sensors that can be applied in miniature devices measuring burning power of UV contained in the sun light.

L'invention concerne un réseau optique comprenant un système de filtres d'absorption (3), un système de filtres d'interférence (4) et un diffuseur (1). Pour la lumière solaire, la caractéristique spectrale de transmission de ce réseau optique est proche du standard Diffey reconnu au niveau mondial, cette norme modélisant la sensibilité de la peau humaine à la brûlure par les ultraviolets. Cette invention permet de réaliser des capteurs d'UV miniaturisés peu onéreux, lesquels peuvent être utilisés dans des dispositifs miniaturisés pour mesurer la puissance de brûlure des UV contenus dans la lumière solaire.

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