Dynamic Acoustic Holography: One-Shot High-Precision and High-Information Methodology

Area of Science:

• Acoustics and Wave Physics
• Biomedical Engineering
• Signal Processing

Background:

• Acoustic holography enables complex acoustic field generation, crucial for various ultrasound applications.
• Traditional single-phase hologram methods lack the dynamic control and precision required for advanced applications.
• Limitations in dynamic range and accuracy hinder the full potential of current acoustic holography techniques.

Purpose of the Study:

• To propose a new acoustic holographic model for enhanced acoustic field control.
• To improve the accuracy and dynamic range of acoustic field generation.
• To enable high information content reconstruction for advanced ultrasound applications.

Main Methods:

• Development of an acoustic holographic model incorporating an ultrasonic array.
• Implementation of dynamic amplitude control using the ultrasonic array.
• Integration of the dynamically controllable ultrasonic array with high-precision acoustic holograms.

Main Results:

• Achieved the highest acoustic field accuracy and dynamic range to date.
• Demonstrated applicability to both simple linear and complex surface acoustic patterns.
• Successfully reconstructed target plane amplitude degrees of freedom, enabling high information content.

Conclusions:

• The proposed method significantly enhances acoustic field control capabilities.
• This technique offers a breakthrough for high-efficiency acoustic field manipulation.
• Potential applications include advanced ultrasound imaging, acoustic tweezers, and neuromodulation.