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Title: Advances and challenges in cryo ptychography at the Advanced Photon Source

Ptychography has emerged as a nondestructive tool to quantitatively study extended samples at a high spatial resolution. In this manuscript, we report on recent developments from our team. We have combined cryo ptychography and fluorescence microscopy to provide simultaneous views of ultrastructure and elemental composition, we have developed multi-GPU parallel computation to speed up ptychographic reconstructions, and we have implemented fly-scan ptychography to allow for faster data acquisition. We conclude with a discussion of future challenges in high-resolution 3D ptychography.
Authors:
 [1] ; ; ;  [2] ; ;  [3] ;  [4] ;  [2] ;  [5]
  1. Applied Physics, Northwestern University, Evanston IL 60208 (United States)
  2. X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439 (United States)
  3. Mathematics and Computing Science Division, Argonne National Laboratory, Argonne, IL 60439 (United States)
  4. Department of Physics & Astronomy, Northwestern University, Evanston, IL 60208 (United States)
  5. (United States)
Publication Date:
OSTI Identifier:
22494394
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1696; Journal Issue: 1; Conference: XRM 2014: 12. international conference on X-ray microscopy, Melbourne (Australia), 26-31 Oct 2014; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ADVANCED PHOTON SOURCE; CALCULATION METHODS; DATA ACQUISITION; FLUORESCENCE; MICROSCOPY; SPATIAL RESOLUTION; THREE-DIMENSIONAL CALCULATIONS; VELOCITY