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Updated: Jan 10, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Multiscale aperture synthesis imager.

Ruihai Wang¹, Qianhao Zhao², Tianbo Wang¹

¹Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA.

Nature Communications

|November 26, 2025

Summary

This summary is machine-generated.

A new multiscale aperture synthesis imager (MASI) overcomes optical synchronization challenges. This synthetic aperture imaging system uses computational methods to achieve high-resolution, lensless imaging over large fields, enabling practical optical synthetic aperture systems.

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Area of Science:

Optics
Imaging Science
Computational Imaging

Background:

Synthetic aperture imaging has revolutionized radar and astronomy.
Optical implementation is hindered by complex wavefield synchronization needs.
Existing methods require overlapping measurements for phase coherence.

Purpose of the Study:

To present a novel multiscale aperture synthesis imager (MASI).
To overcome the limitations of optical synthetic aperture imaging.
To enable scalable and practical optical synthetic aperture systems.

Main Methods:

Utilizing parallelism to divide optical challenges into sub-problems.
Employing a distributed array of coded sensors for independent yet coherent operation.
Implementing a computational phase synchronization scheme to combine wavefields without overlapping regions.

Main Results:

Achieving super-diffraction-limit resolution with a single receiver.
Generating large-scale phase-contrast visualizations through natural light diffraction.
Resolving sub-micron features at ultralong working distances without lenses.
Reconstructing 3D shapes over centimeter-scale fields.

Conclusions:

MASI transforms optical synchronization from a physical to a computational problem.
The system enables practical deployment of scalable synthetic aperture systems at optical wavelengths.
MASI offers a new paradigm for high-resolution, lensless imaging.