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Multibeam ptychography with synchrotron hard X-rays

Authors :
Nozomu Ishiguro
Takaya Higashino
Makoto Hirose
Yukio Takahashi
Source :
Optics Express. 28:1216
Publication Year :
2020
Publisher :
Optica Publishing Group, 2020.

Abstract

We report the first demonstration of multibeam ptychography using synchrotron hard X-rays, which can enlarge the field of view of the reconstructed image of objects by efficiently using partially coherent X-rays. We measured the ptychographic diffraction patterns of a Pt test sample and MnO particles using three mutually incoherent coherent beams with a high intensity that were produced by using both the multiple slits and a pair of focusing mirrors. We successfully reconstructed the phase map of the samples at a spatial resolution of 25 nm in a field of view about twice as wide as that in the single-beam ptychography. We also computationally simulated a feasible experimental setup using random modulators to further enlarge the field of view by increasing the number of available beams. The present method has the potential to enable the high spatial resolution and large field-of-view observation of specimens in materials science and biology.

Details

ISSN :
10944087
Volume :
28
Database :
OpenAIRE
Journal :
Optics Express
Accession number :
edsair.doi.dedup.....975e435f6d089386dd3ca65761321b55
Full Text :
https://doi.org/10.1364/oe.378083