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Updated: May 5, 2026

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

Published on: September 24, 2017

Optimizing probes for multi-beam ptychography.

Runqing Yang, Pablo Villanueva-Perez, Tang Li

|May 4, 2026

Summary

This summary is machine-generated.

Multi-beam ptychography (MBP) can be improved using structured probes. Hadamard-based phase masks offer superior robustness and scalability for high-throughput imaging applications.

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Area of Science:

Coherent X-ray imaging
Advanced microscopy techniques

Background:

Multi-beam ptychography (MBP) enhances imaging throughput by using multiple simultaneous beams.
Increased beam numbers complicate ptychographical reconstructions, reducing robustness.

Purpose of the Study:

To develop a quantitative framework for assessing probe sets in MBP.
To identify optimal probe designs for robust and scalable MBP.

Main Methods:

Developed a framework evaluating probe separability, uniformity, and fabrication feasibility.
Compared Hadamard-based phase masks, Zernike polynomials, phase plates, and spiral phase masks.
Assessed performance across varying scan densities in MBP.

Main Results:

Hadamard-based phase masks consistently outperformed other tested probes in MBP.
Spiral phase masks offered comparable resolution but scaled less efficiently.
Established practical criteria for structured probe design and evaluation.

Conclusions:

Hadamard masks are superior for robust and scalable MBP.
The developed framework aids in designing effective structured probes.
Enables more efficient high-throughput coherent imaging.