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PHYSICS SEMINAR

New quantitative methods in analyser-based phase contrast X-ray imaging

David Vine
School of Physics, Monash University

Lecture Theatre S1, Monash University, Clayton Campus
2:00pm, Thursday December 4, 2008

In crystal analyser-based phase contrast imaging (ABI) the phase shift imparted on a partially coherent X-ray wavefield by a weakly absorbing sample is converted into a measurable variation in intensity by diffraction from a crystal. In this talk I will present two results from my thesis, the first relates to the implementation of quantitative ABI using a rotating anode X-ray source and the second is the reconstruction of the complex Green function associated with Bragg reflection from a laterally homogeneous crystal. I will conclude the talk with some recent work on an analytical solution to the phase retrieval problem in coherent diffractive imaging using slits which results in differential wavefield information being recovered.


Please note: an online map (PDF) is available at
http://www.monash.edu.au/pubs/maps/3-Claytoncolour.pdf