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...

2006-06-30

2009-08-04

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

Lens or reflective image former testing

Reexamination Certificate

active

07570351

ABSTRACT:
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.

REFERENCES:
patent: 5873832 (1999-02-01), Maloney et al.

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