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

Movable aperture lensless transmission microscopy: a novel phase retrieval algorithm.

H M L Faulkner1, J M Rodenburg

  • 1Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S1 3JD, United Kingdom.

Physical Review Letters
|August 25, 2004
PubMed
Summary
This summary is machine-generated.

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

Image feature delocalization in defocused probe electron ptychography.

Ultramicroscopy·2018
Same author

Ptychographic microscope for three-dimensional imaging.

Optics express·2014
Same author

Soft X-ray spectromicroscopy using ptychography with randomly phased illumination.

Nature communications·2013
Same author

Ptychographic transmission microscopy in three dimensions using a multi-slice approach.

Journal of the Optical Society of America. A, Optics, image science, and vision·2012
Same author

An annealing algorithm to correct positioning errors in ptychography.

Ultramicroscopy·2012
Same author

Ptychographic electron microscopy using high-angle dark-field scattering for sub-nanometre resolution imaging.

Nature communications·2012

This study introduces an iterative phase retrieval method using intensity-only diffraction patterns. The technique enables lensless microscopy with subatomic resolution for various particle types.

Area of Science:

  • Optics and Photonics
  • Microscopy
  • Computational Imaging

Background:

  • Phase retrieval is crucial for reconstructing wave functions from intensity measurements.
  • Existing lensless microscopy techniques face limitations in resolution and field of view.
  • Accurate phase information is essential for high-resolution imaging.

Purpose of the Study:

  • To develop a novel iterative phase retrieval method for lensless microscopy.
  • To achieve wavelength-limited resolution and a wide field of view.
  • To enable subatomic resolution imaging using electrons, X-rays, or nuclear particles.

Main Methods:

  • An iterative algorithm utilizing a series of intensity-only diffraction patterns.
  • Scanning an aperture to multiple positions over the object wave function.

Related Experiment Videos

  • Employing overlapping real-space data to resolve solution ambiguities.

    • Main Results:

    • Demonstration of a simple implementation of the proposed method.
    • Successful retrieval of both amplitude and phase of the image wave function.
    • Validation of the algorithm's ability to resolve ambiguities.

    Conclusions:

    • The developed iterative phase retrieval technique offers a viable path to practical lensless microscopy.
    • Subatomic resolution imaging is achievable with this method.
    • The technique has broad applicability across various imaging modalities and particle types.