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

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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.