Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Diffraction with wavefront curvature: a path to unique phase recovery.

K A Nugent1, A G Peele, H M Quiney

  • 1School of Physics, The University of Melbourne, Victoria 3010, Australia. keithan@unimelb.edu.au

Acta Crystallographica. Section A, Foundations of Crystallography
|April 23, 2005
PubMed
Summary

Modern X-ray optics can create highly focused beams, necessitating new diffraction theories for large molecules. This study shows that coherent diffraction with non-planar beams allows unique phase recovery.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Superstability of micrometre jets surrounded by a polymeric shell.

Journal of applied crystallography·2025
Same author

Inter-Bragg crystallographic phase retrieval from shape transforms, stacking faults and substitutional disorder.

Ultramicroscopy·2023
Same author

Imaging Breast Microcalcifications Using Dark-Field Signal in Propagation-Based Phase-Contrast Tomography.

IEEE transactions on medical imaging·2022
Same author

High-resolution achromatic X-ray optical systems for broad-band imaging and for focusing attosecond pulses.

Proceedings. Mathematical, physical, and engineering sciences·2021
Same author

Relative roles of multiple scattering and Fresnel diffraction in the imaging of small molecules using electrons, Part II: Differential Holographic Tomography.

Ultramicroscopy·2021
Same author

Scanning Compton X-ray microscopy.

Optics letters·2021

Area of Science:

  • Physics
  • Crystallography
  • Optics

Background:

  • Modern X-ray optics achieve highly focused beams, comparable in scale to large molecules and crystal lattice spacing.
  • The phase variation of focused X-ray beams across molecular crystals requires modifications to conventional diffraction theory.

Purpose of the Study:

  • To investigate coherent diffraction phenomena using non-planar X-ray beams.
  • To determine if phase information can be uniquely recovered from diffraction patterns generated by such beams.

Main Methods:

  • Theoretical analysis of coherent diffraction.
  • Modeling of X-ray beam-matter interactions at the nanoscale.

Main Results:

  • Demonstration that phase varies significantly at the lattice scale for focused X-ray beams.

Related Experiment Videos

  • Mathematical framework showing unique phase recovery is possible for coherent diffraction with non-planar beams.

    • Conclusions:

    • Conventional diffraction theory is insufficient for tightly focused X-ray beams interacting with molecular crystals.
    • Coherent diffraction with non-planar beams offers a viable method for unique phase retrieval in nanoscale imaging.