Fourier domain sensing

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United States of America Patent

PATENT NO 8558998
APP PUB NO 20120257197A1
SERIAL NO

13247610

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and systems are disclosed of sensing an object. A first radiation is spatially modulated to generate a structured second radiation. The object is illuminated with the structured second radiation such that the object produces a third radiation in response. Apart from any spatially dependent delay, a time variation of the third radiation is spatially independent. With a single-element detector, a portion of the third radiation is detected from locations on the object simultaneously. At least one characteristic of a sinusoidal spatial Fourier-transform component of the object is estimated from a time-varying signal from the detected portion of the third radiation.

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Patent Owner(s)

Patent OwnerAddress
THE REGENTS OF THE UNIVERSITY OF COLORADO A BODY CORPORATE1800 GRANT STREET 8TH FLOOR DENVER CO 80203

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feldkhun, Daniel Boulder, US 16 617
Wagner, Kelvin H Boulder, US 2 38

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