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Related Experiment Video

Updated: Dec 21, 2025

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

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Phase Modulation Beamforming for Ultrafast Plane-Wave Imaging.

Bowen Jing, Brooks D Lindsey

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
    |May 13, 2020
    PubMed
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    This study introduces a novel method to enhance spatial resolution in high-frame-rate imaging by using controlled aberrations. The technique significantly improves target detail in simulations and phantom imaging, with promising in vivo results.

    Area of Science:

    • Medical Imaging
    • Ultrasound Technology
    • Image Processing

    Background:

    • High-frame-rate imaging requires improved spatial resolution for detailed visualization.
    • Current methods face limitations in achieving superior resolution without compromising image quality.

    Purpose of the Study:

    • To develop and validate a new image formation approach for enhancing spatial resolution in high-frame-rate imaging.
    • To assess the effectiveness of the proposed method in simulations, phantom studies, and in vivo imaging.

    Main Methods:

    • A novel image formation technique is proposed, involving the introduction of weak aberrations into received data.
    • Multiple aberrated images are combined using pixel-wise standard deviation and subtracted from the delay-and-sum image.
    • The method's performance is evaluated using simulations, tissue-mimicking phantoms, and in vivo ultrasound imaging.

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    Related Experiment Videos

    Last Updated: Dec 21, 2025

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    10.2K
    Blood Flow Imaging with Ultrafast Doppler
    05:57

    Blood Flow Imaging with Ultrafast Doppler

    Published on: October 14, 2020

    8.2K
    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
    10:52

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

    10.1K

    Main Results:

    • Simulations showed a 38.24% ± 6.38% decrease in lateral full-width half-maximum (FWHM).
    • Phantom imaging at 7.8 MHz demonstrated a 35.91% ± 5.39% reduction in wire target FWHM.
    • A decrease in contrast (1.23 dB) and contrast-to-noise ratio (CNR) (18.5%) was observed in phantom studies.

    Conclusions:

    • The proposed method effectively improves spatial resolution in high-frame-rate imaging.
    • In vivo imaging confirmed resolution enhancements, including better separation of closely spaced targets.
    • Trade-offs in contrast and CNR require further investigation for optimization.