Reconstruction of the electron density of molecules with single-axis alignment

Dmitri Starodub, John Spence, Dilano K. Saldin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Diffraction from the individual molecules of a molecular beam, aligned parallel to a single axis by a strong electric field or other means, has been proposed as a means of structure determination of individual molecules. As in fiber diffraction, all the information extractable is contained in a diffraction pattern from incidence of the diffracting beam normal to the molecular alignment axis. We present two methods of structure solution for this case. One is based on the iterative projection algorithms for phase retrieval applied to the coefficients of the cylindrical harmonic expansion of the molecular electron density. Another is the holographic approach utilizing presence of the strongly scattering reference atom for a specific molecule.

Original languageEnglish (US)
Title of host publicationImage Reconstruction from Incomplete Data VI
DOIs
StatePublished - Nov 8 2010
EventImage Reconstruction from Incomplete Data VI - San Diego, CA, United States
Duration: Aug 2 2010Aug 3 2010

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7800
ISSN (Print)0277-786X

Other

OtherImage Reconstruction from Incomplete Data VI
CountryUnited States
CitySan Diego, CA
Period8/2/108/3/10

Keywords

  • X-ray coherent imaging
  • fiber diffraction
  • phase retrieval

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Starodub, D., Spence, J., & Saldin, D. K. (2010). Reconstruction of the electron density of molecules with single-axis alignment. In Image Reconstruction from Incomplete Data VI [78000O] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7800). https://doi.org/10.1117/12.860102