Optical projection system and method for a cooled light source

H - Electricity – 01 – S

Patent

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H01S 5/024 (2006.01)

Patent

CA 2632111

A light projection optical system is presented. The system comprises a cooling chamber (110) containing: a light source (150) operative at a cool temperature being lower than 240K; a cooler unit (105) capable of cooling said light source to said cool temperature during the light source operation,- an optical window (170) permitting light emergence outside from the cooling chamber; and an optical unit (130) accommodated in the optical path of light emitted by said light source and enabling emergence of this light through said optical window outside from the cooling chamber.

L'invention concerne un système optique de projection de lumière, ce système comprenant une chambre de refroidissement contenant: une source de lumière active à une température froide inférieure à 240K; un module de refroidissement capable de refroidir la source de lumière à ladite température froide au cours du fonctionnement de la source de lumière; une fenêtre optique permettant l'émergence de la lumière à l'extérieur de la chambre de refroidissement et un module optique placé dans le chemin optique de la lumière émise par la source de lumière et permettant l'émergence de cette lumière par la fenêtre optique à l'extérieur de la chambre de refroidissement.

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