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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Simulation-assisted multimodal deep learning (Sim-MDL) fusion models for the evaluation of thermal barrier coatings using infrared thermography and Terahertz imaging.

Scientific reports·2025
Same author

Development of bulk wave EMAT sensors with enhanced Lorentz force through magnetic field concentration in eddy current regions.

Ultrasonics·2025
Same author

An experimental investigation on the combined effect of plastic deformation and grain size variation on the acoustic nonlinearity parameter.

The Review of scientific instruments·2023
Same author

Optimizing hyperparameters of Data-driven simulation-assisted-Physics learned AI (DPAI) model to reduce compounding error.

Ultrasonics·2022
Same author

Smart Graphene Nanoplatelet Strain Sensor for Natural Frequency Sensing of Stainless Steel (SS304) and Human Health Monitoring.

Materials (Basel, Switzerland)·2022
Same author

DPAI: A Data-driven simulation-assisted-Physics learned AI model for transient ultrasonic wave propagation.

Ultrasonics·2022

Related Experiment Video

Updated: Feb 24, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

16.0K

Deep subwavelength ultrasonic imaging using optimized holey structured metamaterials.

Kiran Kumar Amireddy1, Krishnan Balasubramaniam2, Prabhu Rajagopal2

  • 1Centre for Nondestructive Evaluation and Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600036, Tamil Nadu, India. amireddykiran@gmail.com.

Scientific Reports
|August 12, 2017
PubMed
Summary

Researchers achieved deep subwavelength ultrasonic imaging of metallic defects (feature size λ/25) using advanced holey metamaterial lenses. This breakthrough enables unprecedented defect detection with ultrasonic waves.

More Related Videos

Three-dimensional Optical-resolution Photoacoustic Microscopy
08:31

Three-dimensional Optical-resolution Photoacoustic Microscopy

Published on: May 3, 2011

18.9K
Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy
08:39

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

8.7K

Related Experiment Videos

Last Updated: Feb 24, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

16.0K
Three-dimensional Optical-resolution Photoacoustic Microscopy
08:31

Three-dimensional Optical-resolution Photoacoustic Microscopy

Published on: May 3, 2011

18.9K
Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy
08:39

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

8.7K

Area of Science:

  • Acoustics
  • Materials Science
  • Nanoscience

Background:

  • Subwavelength imaging is crucial for detecting micro-defects.
  • Metamaterials offer unique wave manipulation properties.
  • Ultrasonic imaging faces resolution limits due to wavelength.

Purpose of the Study:

  • To experimentally demonstrate deep subwavelength ultrasonic imaging.
  • To achieve imaging resolution of λ/25 for metallic defects.
  • To investigate the role of holey metamaterial lenses in enhancing ultrasonic transmission.

Main Methods:

  • Utilizing holey-structured metamaterial lenses for ultrasonic wave focusing.
  • Employing numerical simulations to optimize metamaterial geometric parameters.
  • Analyzing wave propagation physics through holey lenses.
  • Investigating the coupling of ultrasonic frequencies to resonant modes.

Main Results:

  • Experimental demonstration of deep subwavelength ultrasonic imaging with λ/25 resolution.
  • Identification of optimal metamaterial dimensions for enhanced imaging.
  • Explanation of extraordinary transmission via coupling of higher frequencies to resonant modes.

Conclusions:

  • Deep subwavelength ultrasonic imaging of defects is experimentally feasible using holey metamaterial lenses.
  • Metamaterial design and understanding wave coupling are key to achieving high-resolution ultrasonic imaging.
  • This technique holds potential for advanced non-destructive testing in metallic components.