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Title: Relaxation of the Crowther criterion in multislice tomography

Journal Article · · Optics Letters
DOI:https://doi.org/10.1364/OL.43.004811· OSTI ID:1476969

For objects larger than the depth of focus of an imaging system, one must account for wavefield propagation effects within the object as is done in diffraction tomography, diffraction microscopy, and multislice ptychographic tomography. We show here that if the imaging method used reconstructs Na planes along each viewing direction, one can reduce the number of illumination directions required to fill Fourier space by a factor of 1/Na, relaxing the usual Crowther criterion for tomography. This provides a conceptual basis to explain two recent experiments where multiple axial planes were imaged per viewing direction, and tomographic images were obtained with good 3D spatial resolution even though fewer illumination directions were used than one would have expected from the Crowther criterion.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1476969
Alternate ID(s):
OSTI ID: 1474189; OSTI ID: 1493723
Journal Information:
Optics Letters, Journal Name: Optics Letters Vol. 43 Journal Issue: 19; ISSN 0146-9592
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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Cited By (3)

Resolving 500 nm axial separation by multi-slice X-ray ptychography journal February 2019
Gridrec-MS: an algorithm for multi-slice tomography journal January 2019
Multimodal x-ray nanotomography journal April 2020

Figures / Tables (3)


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