High resolution light pattern generator on a transparent...

Details High resolution light pattern generator on a transparent... High resolution light pattern generator on a transparent...

G - Physics

02

B

G02B 26/00 (2006.01) F21S 10/00 (2006.01)

Patent

CA 2729352

A light pattern generator that can be used to form a gobo for use in a projection optical system. A transparent plate is coated with a stack that is absorptive and reflective. The stack is formed to be ablatable in the form of a pattern. The stack can have multiple different layers with multiple different characteristics, all of which are ablated by the laser.

Linvention concerne un générateur de motif de lumière qui peut être utilisé pour former un décalque utilisable dans un système optique de projection. Une plaque transparente est recouverte dun empilement qui est absorbant et réfléchissant. Lempilement est formé de façon à être retiré sous forme dun motif. Lempilement peut avoir plusieurs couches différentes avec plusieurs caractéristiques différentes, toutes pouvant être retirées par le laser.

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