Structure of confined fluids by x-ray interferometry using diffraction gratings
Optics Express, Vol. 16, Issue 25, pp. 20522-20529 (2008)
http://dx.doi.org/10.1364/OE.16.020522
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Abstract
We develop a novel method for structure determination of confined fluids using diffraction-grating-based x-ray interferometry. Within this approach, diffraction from a microfluidic array, which acts both as confinement and transmission diffraction grating, provides the reference wave, whereas the density modulations of the confined fluid, acting as a weak phase object, generate the object wave. The ensemble-averaged density profile of the fluid perpendicular to the confining channel is then unambiguously obtained from the interference between the reference and object waves by direct Fourier inversion.
© 2008 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(100.5070) Image processing : Phase retrieval
(340.7450) X-ray optics : X-ray interferometry
ToC Category:
Diffraction and Gratings
History
Original Manuscript: September 15, 2008
Revised Manuscript: October 28, 2008
Manuscript Accepted: November 24, 2008
Published: November 26, 2008
Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics
Citation
K. Nygard, D. K. Satapathy, O. Bunk, A. Diaz, E. Perret, J. Buitenhuis, F. Pfeiffer, C. David, and F. van der Veen, "Structure of confined fluids by x-ray interferometry using diffraction gratings," Opt. Express 16, 20522-20529 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-16-25-20522
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