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Updated: Sep 11, 2025

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

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Multiplexing information limits in multi-beam ptychography.

Daniel S Penagos Molina, Wilhelm Eschen, Chang Liu

|August 13, 2025

Summary

Multi-beam ptychography significantly boosts imaging throughput by using multiple illumination beams. This lensless imaging technique achieves nearly fivefold throughput improvement, enabling faster scanning of larger areas.

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Last Updated: Sep 11, 2025

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Area of Science:

Optics
Imaging Science
Materials Science

Background:

Ptychography is a lensless imaging technique that reconstructs a sample's image by scanning it with an illuminating beam.
Multi-beam ptychography utilizes multiple simultaneous beams to accelerate sample scanning and cover larger areas.

Purpose of the Study:

To investigate the potential of multi-beam ptychography with numerous illumination channels for enhancing imaging throughput.
To assess the trade-offs between spatial resolution and throughput in multi-beam ptychography.

Main Methods:

Exploration of multi-beam ptychography with a large number of illumination channels.
Validation using both synthetic and experimental data.
Implementation of massively multiplexed multi-beam ptychography with up to 64 channels.

Main Results:

Multi-beam ptychography significantly increases imaging throughput, demonstrating an almost fivefold improvement.
A reduction in spatial resolution was observed compared to single-beam ptychography.
Reduced memory footprint and overhead time were achieved with the multi-beam approach.

Conclusions:

Multi-beam ptychography offers a viable strategy for high-throughput imaging applications.
The technique enables efficient utilization of partially coherent light sources for ptychography.
Massively multiplexed multi-beam ptychography opens new avenues for advanced imaging.