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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2949–2951

A microscale camera using direct Fourier-domain scene capture

Patrick Robert Gill, Changhyuk Lee, Dhon-Gue Lee, Albert Wang, and Alyosha Molnar  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2949-2951 (2011)
http://dx.doi.org/10.1364/OL.36.002949


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Abstract

We demonstrate a chip-scale ( < 1 mm 2 ) sensor, the Planar Fourier Capture Array (PFCA), capable of imaging the far field without any off-chip optics. The PFCA consists of an array of angle-sensitive pixels manufactured in a standard semiconductor process, each of which reports one component of a spatial two-dimensional (2D) Fourier transform of the local light field. Thus, the sensor directly captures 2D Fourier transforms of scenes. The effective resolution of our prototype is approximately 400 pixels.

© 2011 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(050.1970) Diffraction and gratings : Diffractive optics
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(110.5200) Imaging systems : Photography
(230.4000) Optical devices : Microstructure fabrication
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Detectors

History
Original Manuscript: May 13, 2011
Revised Manuscript: June 23, 2011
Manuscript Accepted: July 3, 2011
Published: August 1, 2011

Citation
Patrick Robert Gill, Changhyuk Lee, Dhon-Gue Lee, Albert Wang, and Alyosha Molnar, "A microscale camera using direct Fourier-domain scene capture," Opt. Lett. 36, 2949-2951 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2949

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