Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Building three-dimensional images using a time-reversal chaotic cavity.

Gabriel Montaldo1, Delphine Palacio, Mickael Tanter

  • 1Laboratoire Ondes et Acoustique, Paris, France. gabrielmontaldo@yahoo.fr

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|November 16, 2005
PubMed
Summary

This study introduces a novel ultrasonic imaging method using a chaotic reverberating cavity to create virtual transducers. This technique enables electronic three-dimensional (3-D) focusing with significantly fewer transducers for improved medical and nondestructive imaging.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Airborne Ultrasound Surface Motion Camera: Application to Transfer Admittance Chest Imaging.

Annals of biomedical engineering·2026
Same author

Volumetric Functional Ultrasound Imaging in Macaques.

IEEE transactions on medical imaging·2026
Same author

Hydrogel metapad with ultrasound transparency and broadband focusing for biomedical imaging.

National science review·2026
Same author

Non-linear coupling in two non-linear delayed acoustic resonatorsa).

The Journal of the Acoustical Society of America·2025
Same author

Functional ultrasound imaging and neuronal activity: How accurate is the spatiotemporal match?

Imaging neuroscience (Cambridge, Mass.)·2025
Same author

Ultrasound matrix imaging for 3D transcranial in vivo localization microscopy.

Science advances·2025

Area of Science:

  • Medical imaging
  • Nondestructive testing
  • Acoustics

Background:

  • Designing two-dimensional (2-D) transducer arrays for three-dimensional (3-D) ultrasonic imaging requires thousands of elements for focusing and steering.
  • Current methods face challenges in achieving efficient 3-D volumetric imaging with limited transducer counts.

Purpose of the Study:

  • To propose a novel concept for electronic 3-D ultrasonic focusing using a reduced number of transducers.
  • To demonstrate the feasibility of generating 3-D images with a chaotic reverberating cavity and time-reversal processing.

Main Methods:

  • Coupling a small number of transducers to a chaotic reverberating cavity in contact with the target.
  • Utilizing ultrasonic wave reverberations within the cavity to generate virtual transducers.

Related Experiment Videos

  • Employing time-reversal processing to collectively focus pulses across a 3-D volume.
  • Implementing a nonlinear pulse-inversion technique for reception to enhance image contrast.

    • Main Results:

    • A prototype system with only 31 emission transducers and one reception transducer successfully demonstrated 3-D imaging capabilities.
    • The chaotic cavity effectively acts as an ultrasonic kaleidoscope, multiplying the number of virtual transducers.
    • Electronic 3-D focusing was achieved throughout the entire volume.

    Conclusions:

    • The proposed chaotic reverberating cavity concept offers a viable solution for efficient 3-D ultrasonic imaging with minimal transducers.
    • This approach significantly advances the design of ultrasonic systems for medical and nondestructive applications.
    • The technology holds promise for developing more compact and cost-effective 3-D ultrasonic imaging devices.