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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 12 — Apr. 20, 2011
  • pp: 1765–1769

Noninterferometric phase-contrast images obtained with incoherent x-ray sources

Alessandro Olivo, Konstantin Ignatyev, Peter R. T. Munro, and Robert D. Speller  »View Author Affiliations


Applied Optics, Vol. 50, Issue 12, pp. 1765-1769 (2011)
http://dx.doi.org/10.1364/AO.50.001765


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Abstract

We report on what are believed to be the first full-scale images obtained with the coded aperture concept, which uses conventional x-ray sources without the need to collimate/aperture their output. We discuss the differences in the underpinning physical principles with respect to other methods, and explain why these might lead to a more efficient use of the source. In particular, we discuss how the evaluation of the first imaging system provided promising indications on the method’s potential to detect details invisible to conventional absorption methods, use an increased average x-ray energy, and reduce exposure times—all important aspects with regards to real-world implementations.

© 2011 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(340.7430) X-ray optics : X-ray coded apertures
(340.7440) X-ray optics : X-ray imaging

ToC Category:
Diffraction and Gratings

History
Original Manuscript: January 4, 2011
Revised Manuscript: February 9, 2011
Manuscript Accepted: February 11, 2011
Published: April 18, 2011

Citation
Alessandro Olivo, Konstantin Ignatyev, Peter R. T. Munro, and Robert D. Speller, "Noninterferometric phase-contrast images obtained with incoherent x-ray sources," Appl. Opt. 50, 1765-1769 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-12-1765

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