Off-Axis X-Ray Vortex Beam Ptychography

被引：3

作者：

Lee, Sung Yun ^{[1
,2
,3
]}

Park, Eunyoung ^{[1
,2
,3
]}

Kim, Sinwoo ^{[1
,2
,3
]}

Jo, Euije ^{[4
]}

Lee, Su Yong ^{[5
]}

Choi, Jun Woo ^{[6
]}

Song, Changyong ^{[1
,2
,3
]}

机构：

[1] POSTECH, Dept Phys, Pohang 37673, South Korea

[2] POSTECH, Photon Sci Ctr, Pohang 37673, South Korea

[3] Max Planck POSTECH, Ctr Ultrafast Sci Quantum Matter, Korea Res Initiat, Pohang 37673, South Korea

[4] Natl NanoFab Ctr, Nano Proc Technol Off, Daejeon 34141, South Korea

[5] POSTECH, Pohang Accelerator Lab, Pohang 37673, South Korea

[6] Korea Inst Sci & Technol, Ctr Spintron, Seoul 02792, South Korea

来源：

ACS PHOTONICS | 2024年 / 11卷 / 09期

基金：

新加坡国家研究基金会;

关键词：

ptychography; spiral zone plate; Laguerre-Gaussianbeam; x-ray vortices; orbital angular momentum; ORBITAL ANGULAR-MOMENTUM; LIGHT;

D O I：

10.1021/acsphotonics.4c01059

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：3804 / 3810

页数：7

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