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February 27, 2014

Mtg: Making the World’s Smallest Video Camera

by @ 8:48 pm. Filed under ALL, BioEngineering, Electronics Design, Optics/Displays, Semiconductors
 

TUESDAY April 1, 2014
SCV Consultants’ Network of Silicon Valley
– optical sensors, imagers, raw signals, depth of field …
Speaker: Dr. David G. Stork, Rambus Labs
Time: 7:00 PM
Cost: none
Place: Agilent Technologies, 5301 Stevens Creek Blvd., Santa Clara
RSVP: not required
Web: www.CaliforniaConsultants.org

This talk will describe a new class of computational optical sensors and imagers that do not rely on traditional refractive or reflective focusing, but instead on special diffractive optical elements integrated with CMOS photodiode arrays.  The diffractive elements have provably optimal optical properties essential for imaging, and act as a visual chirp as well as preserve full Fourier image information on the photodiode arrays.
Images are not captured as in traditional imaging systems, but rather computed from raw photodiode signals.  Because such imagers forgo the use of lenses, they can be made unprecedentedly small — as small as the cross-section of a human hair.  Such imagers have extended depth of field — from roughly 1mm to infinity — and should find use in numerous applications, from endoscopy to infra-red and surveillance imaging and more.  Furthermore, the gratings and signal processing can be tailored to specific applications from visual motion estimation to barcode reading and others.

20140401scv

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