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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 1 — Jan. 1, 2014
  • pp: 111–114

Compressive single-pixel snapshot x-ray diffraction imaging

Joel Greenberg, Kalyani Krishnamurthy, and David Brady  »View Author Affiliations


Optics Letters, Vol. 39, Issue 1, pp. 111-114 (2014)
http://dx.doi.org/10.1364/OL.39.000111


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Abstract

We present a method for realizing snapshot, depth-resolved material identification using only a single, energy-sensitive pixel. To achieve this result, we employ a coded aperture with subpixel features to modulate the energy spectrum of coherently scattered photons and recover the object properties using an iterative inversion algorithm based on compressed sensing theory. We demonstrate high-fidelity object estimation at x-ray wavelengths for a variety of compression ratios exceeding unity.

© 2013 Optical Society of America

OCIS Codes
(110.7440) Imaging systems : X-ray imaging
(340.7430) X-ray optics : X-ray coded apertures
(110.1758) Imaging systems : Computational imaging
(110.3200) Imaging systems : Inverse scattering

ToC Category:
Imaging Systems

History
Original Manuscript: September 2, 2013
Revised Manuscript: November 11, 2013
Manuscript Accepted: November 27, 2013
Published: December 23, 2013

Citation
Joel Greenberg, Kalyani Krishnamurthy, and David Brady, "Compressive single-pixel snapshot x-ray diffraction imaging," Opt. Lett. 39, 111-114 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-1-111

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