Method and system for measuring the curvature of an optical...

Details Method and system for measuring the curvature of an optical... Method and system for measuring the curvature of an optical...

G - Physics

01

B

G01B 11/24 (2006.01)

Patent

CA 2612237

A system and method of measuring the curvature of a surface of a object operate by illuminating the object surface with a light pattern having a known size to produce a virtual reflected image from the object surface; measuring a size of the virtual reflected image produced by the object surface from the light pattern; and calculating a curvature of the object surface from the known size of the light pattern and the size of the virtual reflected image.

L'invention concerne un système et un procédé servant à mesurer la courbure d'une surface d'un objet. Selon l'invention, on éclaire la surface de l'objet au moyen d'un motif lumineux de taille connue afin de produire une image réfléchie virtuelle à partir de la surface de l'objet, on mesure une taille de l'image réfléchie virtuelle produite par la surface de l'objet à partir du motif lumineux et on calcule une courbure de la surface de l'objet à partir de la taille connue du motif lumineux et de la taille de l'image réfléchie virtuelle.

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