Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Adaptive multi-beam X-ray ptychography

Åstrand, Mattias ; Kahnt, Maik LU orcid ; Johansson, Ulf LU and Vogt, Ulrich (2024) In Optics Express 32(13). p.22771-22780
Abstract

Ptychography has evolved as an important method for nanoscale X-ray imaging with synchrotron radiation. Recently, it has been proposed to work with multiple beams in parallel. The main advantage of so-called multi-beam ptychography is that larger areas can be imaged much faster than with a conventional single beam scan. We introduce adaptive multi-beam ptychography performed with two Fresnel zone plates, placed one behind the other. In contrast to previous demonstrations of multi-beam ptychography, our optical scheme allows for adapting the spatial beam separation to the needs of the sample under investigation, relaxes thickness requirements on zone plates and is straightforward to implement. Moreover, it is simple to switch between... (More)

Ptychography has evolved as an important method for nanoscale X-ray imaging with synchrotron radiation. Recently, it has been proposed to work with multiple beams in parallel. The main advantage of so-called multi-beam ptychography is that larger areas can be imaged much faster than with a conventional single beam scan. We introduce adaptive multi-beam ptychography performed with two Fresnel zone plates, placed one behind the other. In contrast to previous demonstrations of multi-beam ptychography, our optical scheme allows for adapting the spatial beam separation to the needs of the sample under investigation, relaxes thickness requirements on zone plates and is straightforward to implement. Moreover, it is simple to switch between single and multi-beam illumination during the same experiment. This opens the possibility of combining large and fast overview scans with detailed imaging of certain regions of interests.

(Less)
Please use this url to cite or link to this publication:
author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Optics Express
volume
32
issue
13
pages
10 pages
publisher
Optical Society of America
external identifiers
  • scopus:85196731270
ISSN
1094-4087
DOI
10.1364/OE.509813
language
English
LU publication?
yes
additional info
Publisher Copyright: Journal © 2024.
id
93a3a530-c6a1-44de-babc-23007ad42a03
date added to LUP
2024-07-02 22:03:57
date last changed
2024-07-03 11:02:21
@article{93a3a530-c6a1-44de-babc-23007ad42a03,
  abstract     = {{<p>Ptychography has evolved as an important method for nanoscale X-ray imaging with synchrotron radiation. Recently, it has been proposed to work with multiple beams in parallel. The main advantage of so-called multi-beam ptychography is that larger areas can be imaged much faster than with a conventional single beam scan. We introduce adaptive multi-beam ptychography performed with two Fresnel zone plates, placed one behind the other. In contrast to previous demonstrations of multi-beam ptychography, our optical scheme allows for adapting the spatial beam separation to the needs of the sample under investigation, relaxes thickness requirements on zone plates and is straightforward to implement. Moreover, it is simple to switch between single and multi-beam illumination during the same experiment. This opens the possibility of combining large and fast overview scans with detailed imaging of certain regions of interests.</p>}},
  author       = {{Åstrand, Mattias and Kahnt, Maik and Johansson, Ulf and Vogt, Ulrich}},
  issn         = {{1094-4087}},
  language     = {{eng}},
  month        = {{06}},
  number       = {{13}},
  pages        = {{22771--22780}},
  publisher    = {{Optical Society of America}},
  series       = {{Optics Express}},
  title        = {{Adaptive multi-beam X-ray ptychography}},
  url          = {{http://dx.doi.org/10.1364/OE.509813}},
  doi          = {{10.1364/OE.509813}},
  volume       = {{32}},
  year         = {{2024}},
}