Method and apparatus for holographic wavefront diagnostics

Optics: measuring and testing – Lamp beam direction or pattern

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25023114, G11B 709

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active

054103975

ABSTRACT:
A wavefront diagnostic apparatus has an optic and a measuring system. The optic forms a holographic image in response to a beam of light striking a hologram formed on a surface of the optic. The measuring system detects the position of the array of holographic images and compares the positions of the array of holographic images to a reference holographic image.

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