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Related Experiment Video

Updated: Sep 17, 2025

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

Published on: July 25, 2022

Ultra-broadband ptychography for dispersive samples.

Huixiang Lin¹, Angyi Lin¹, Xiaoyu Jin¹

¹State Key Laboratory of Quantum Functional Materials, Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China.

Nature Communications

|July 1, 2025

Summary

This summary is machine-generated.

We developed an ultra-broadband X-ray ptychography method using structured illumination. This technique overcomes limitations of laboratory X-ray sources, enabling precise imaging of dispersive samples without needing spectral information.

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Area of Science:

Optics and Imaging
Materials Science
Biomedicine

Background:

X-ray ptychography is a powerful imaging technique, but its application is limited on laboratory-scale X-ray sources due to poor coherence and low flux.
Existing methods struggle with broadband sources and require prior spectral knowledge for imaging dispersive samples.

Purpose of the Study:

To propose and validate an ultra-broadband X-ray ptychography method robust to broadband sources.
To enable ptychographic imaging on laboratory-scale X-ray sources.
To achieve precise quantitative phase imaging of dispersive samples without prior spectral information.

Main Methods:

Development of an ultra-broadband ptychography method incorporating structured illumination.
Validation using a 60% bandwidth light source and a high harmonic extreme ultraviolet source.
Demonstration of precise quantitative phase imaging capabilities.

Main Results:

The proposed method enhances the robustness of ptychography to broadband sources.
It enables imaging of dispersive samples without prior knowledge of light spectra.
Precise quantitative phase imaging was achieved.

Conclusions:

The ultra-broadband ptychography method significantly advances the implementation of ptychography on laboratory-scale broadband X-ray sources.
This technique broadens the applications of ptychography in biomedicine and materials science.