New quantitative methods in analyser-based phase contrast X-ray imaging
by
David Vine, Monash University, Australia
→
Europe/Berlin
Bldg. 25f, room 456
Bldg. 25f, room 456
Description
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 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 analytical solutions to the phase retrieval problem in coherent diffractive imaging using slits which results in differential wavefield information being recovered.
