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Updated: May 3, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

Published on: February 8, 2014

A high-performance reconstruction method for partially coherent ptychography.

Wenhui Xu¹, Shoucong Ning², Pengju Sheng³

¹Shenzhen Key Laboratory of Robotics Perception and Intelligence, and the Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China; Paul Scherrer Institut, 5232 Villigen PSI, Switzerland.

Ultramicroscopy

|October 31, 2024

Summary

This summary is machine-generated.

A new ptychography reconstruction algorithm enhances imaging quality and speed, even with low coherence sources. This breakthrough benefits electron microscopy and X-ray imaging of delicate samples.

Keywords:

Partially coherent diffraction imaging Phase retrieval algorithms Ptychography

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Last Updated: May 3, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

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Published on: February 8, 2014

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

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Area of Science:

Microscopy and Imaging Science
Materials Science
Physics

Background:

Ptychography offers quantitative, high-resolution imaging but is limited by source coherence.
Achieving optimal performance requires high coherent flux, often unavailable in laboratory settings.

Purpose of the Study:

To develop a universal ptychography reconstruction algorithm tolerant to low coherence.
To improve reconstruction quality and convergence speed for various ptychography setups.

Main Methods:

A novel reconstruction algorithm designed for partial temporal and spatial coherence.
The method requires no prior knowledge of source properties.
Integration with existing ptychographic engines and mixed-state/monochromatisation methods.

Main Results:

Demonstrated significant improvement in reconstruction quality with visible-light and electron data.
Showcased accelerated convergence rates compared to conventional methods.
Validated practical application for partial coherence and reduced need for coherent modes.

Conclusions:

The developed algorithm offers a universal solution for low-coherence ptychography.
It enhances imaging capabilities across different modalities, including electron and X-ray microscopy.
Potential for significant impact on imaging weakly scattering samples.