Journal
OPTICS LETTERS
Volume 39, Issue 1, Pages 111-114Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.39.000111
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- U.S. Department of Homeland Security, Science and Technology Directorate [HSHQDC-11-C-00083]
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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. (C) 2013 Optical Society of America
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