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SUMMARY:Ptychotomographic imaging of nano-materials at I13-1 Diamond Light
  Source - Dr Charan Kuppili\, Dept of Earh Sciences\, Uni of Cambridge
DTSTART:20191010T103000Z
DTEND:20191010T113000Z
UID:TALK129910@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Ptychography is a lensless X-ray diffraction microscopy techni
 que [1\,2] in which the sample is scanned at pre-defined positions collect
 ing far-field diffraction patterns at each of these scanning positions. Th
 e diffraction patterns along with the information regarding the scan posit
 ions are then processed using iterative phase retrieval algorithms resulti
 ng in high resolution complex transmission\nfunction of the sample. The co
 mplex X-ray probe function incident on the sample is also reconstructed al
 ong with the sample’s transmission function [2]. Ptychography can be com
 bined with tomography in order to obtain high resolution\, phase contrast 
 3D transmission function of the sample [5]. Ptychography has shown to be c
 apable of achieving high 2D ( 17 nm [3]) as well as 3D (16 nm [4]) resolut
 ions.
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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