Off-Axis X-Ray Vortex Beam Ptychography

Authors
Lee, Sung YunPark, EunyoungKim, SinwooJo, EuijeLee, Su YongChoi, Jun WooSong, Changyong
Issue Date
2024-09
Publisher
American Chemical Society
Citation
ACS Photonics, v.11, no.9, pp.3804 - 3810
Abstract
Structured light has sparked interest by introducing a parameter to adjust light-matter interactions in photonics applications. While phase structures applied to their wavefronts enable functional imaging probes, their application in X-ray microscopy has been limited due to their complex configuration. Here, we present X-ray vortex beam ptychography using an off-axis spiral zone plate, showcasing quantitative nanoscale imaging with straightforward manipulation of the phase structure. The simple experimental setup enhances adaptability to most light sources. This coherent X-ray microscopy, capable of resolving nontrivial topological states with additional phase structures of light, is poised to advance photonics research by leveraging topological features.
Keywords
ORBITAL ANGULAR-MOMENTUM; LIGHT; ptychography; spiral zone plate; Laguerre-Gaussianbeam; x-ray vortices; orbital angular momentum
URI
https://pubs.kist.re.kr/handle/201004/150526
DOI
10.1021/acsphotonics.4c01059
Appears in Collections:
KIST Article > 2024
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