Free-form condenser optic

G - Physics – 02 – B

Patent

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Details

G02B 27/30 (2006.01) G02B 27/16 (2006.01)

Patent

CA 2710094

A condenser for directing light from a UHP arc lamp or other generally cylindrical source onto a target such as a microdisplay in line with a front end of the lamp comprises a primary mirror to direct light from the source towards the back end of the condenser, and a secondary mirror at the back end of the condenser to direct the light from the primary mirror onto the target.

L'invention porte sur un condenseur destiné à diriger de la lumière d'une lampe à arc à ultra haute puissance (UHP), ou d'une autre source globalement cylindrique, sur une cible, telle qu'un écran miniature, alignée avec une extrémité avant de la lampe, lequel condenseur comprend un miroir primaire pour diriger la lumière de la source vers l'extrémité arrière du condenseur, et un miroir secondaire sur l'extrémité arrière du condenseur pour diriger la lumière du miroir primaire sur la cible.

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