Noninterferometric quantitative phase imaging with soft x rays
JOSA A, Vol. 17, Issue 10, pp. 1732-1743 (2000)
http://dx.doi.org/10.1364/JOSAA.17.001732
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Abstract
We demonstrate quantitative noninterferometric x-ray phase–amplitude measurement. We present results from two experimental geometries. The first geometry uses x rays diverging from a point source to produce high-resolution holograms of submicrometer-sized objects. The measured phase of the projected image agrees with the geometrically determined phase to within ±7%. The second geometry uses a direct imaging microscope setup that allows the formation of a magnified image with a zone-plate lens. Here a direct measure of the object phase is made and agrees with that of the magnified object to better than ±10%. In both cases the accuracy of the phase is limited by the pixel resolution.
© 2000 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(090.0090) Holography : Holography
(100.0100) Image processing : Image processing
(100.5070) Image processing : Phase retrieval
(110.7440) Imaging systems : X-ray imaging
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(180.7460) Microscopy : X-ray microscopy
Citation
Brendan E. Allman, Phillip J. McMahon, Justine B. Tiller, Keith A. Nugent, David Paganin, Anton Barty, Ian McNulty, Sean P. Frigo, Yuxin Wang, and Cornelia C. Retsch, "Noninterferometric quantitative phase imaging with soft x rays," J. Opt. Soc. Am. A 17, 1732-1743 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-10-1732
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