Moiré deflectometer including non-mechanical,...

Details Moiré deflectometer including non-mechanical,... Moiré deflectometer including non-mechanical,...

2006-10-10

2006-10-10

Pham, Hoa Q. (Department: 2877)

Optics: measuring and testing

Shape or surface configuration

Triangulation

C356S605000

Reexamination Certificate

active

07119911

ABSTRACT:
A Moiré deflectometer includes at least three non-mechanical, transparent, spatial light modulators for demonstrating two sets of patterns on two parallel planes on two of the modulators thereby creating a Moiré fringe pattern and a method for using the same. More particularly, each of the spatial light modulators may be a liquid crystal display, an electrochromic device, a micromirror array, a microlouvre array, an electro-optic device, or a holographic device.

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patent: 2006/0001861 (2006-01-01), Wegmann

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