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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 5 — Mar. 1, 2012
  • pp: 915–917

Amplification of the phase contrast signal at very high x-ray energies

Alessandro Olivo, Paul C. Diemoz, and Alberto Bravin  »View Author Affiliations


Optics Letters, Vol. 37, Issue 5, pp. 915-917 (2012)
http://dx.doi.org/10.1364/OL.37.000915


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Abstract

X-ray phase contrast imaging is increasingly being used in several fields, both at synchrotron facilities and with laboratory sources, due to its increased sensitivity compared to conventional x-ray methods. One important problem is the development of methods to make it suitable for use at very high x-ray energies, needed in many applications. We show how the edge illumination concept, which stands at the basis of the coded-aperture method, allows achieving hyperintense phase signals at energies close to 100 keV, by showing images of both weak phase objects and highly absorbing fossils with a high iron content.

© 2012 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:
X-ray Optics

History
Original Manuscript: December 29, 2011
Manuscript Accepted: January 22, 2012
Published: February 28, 2012

Citation
Alessandro Olivo, Paul C. Diemoz, and Alberto Bravin, "Amplification of the phase contrast signal at very high x-ray energies," Opt. Lett. 37, 915-917 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-5-915


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