Three-dimensional imaging system

Details Three-dimensional imaging system Three-dimensional imaging system

2005-12-13

2005-12-13

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Diffraction

From zone plate

C359S015000

Reexamination Certificate

active

06975457

ABSTRACT:
A three-dimensional imaging system is described which exploits the defocusing of non-zero diffraction order images caused by the quadratic distortion of a diffraction grating (4). An optical system (1) is used such that objects (5, 6and7), located at different distances from grating (4), are imaged simultaneously and spatially separated on a single plane B.

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