Vol. 19 No. 3 (2022): Journal of Non Destructive Testing and Evaluation (JNDE), September 2022
Research Papers

Super Resolution Imaging using Off-the-Shelf Ultrasonic Probes

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  • Mohamed Subair Syed Akbar Ali,
  • Shashank Gorthy,
  • Prabhu Rajagopal
Mohamed Subair Syed Akbar Ali
Postdoc

Published 11-09-2022

Keywords

  • Ultrasonic imaging,
  • Sub-wavelength imaging,
  • Super resolution,
  • Metamaterials,
  • Holey lens,
  • Fabry-Perot resonance,
  • , Evanescent waves,
  • Conical baffle,
  • Commercial Transducers
    • ...More
    Less

How to Cite

Syed Akbar Ali, M. S., Gorthy, S., & Rajagopal, P. (2022). Super Resolution Imaging using Off-the-Shelf Ultrasonic Probes. Journal of Non-Destructive Testing and Evaluation (JNDE), 19(3), 35–41. Retrieved from https://jnde.isnt.in/index.php/JNDE/article/view/11

Copyright (c) 2022 Journal of Non-Destructive Testing and Evaluation (JNDE)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Abstract

High resolution ultrasonic imaging systems are of much interest in non-invasive diagnostics and non-destructive evaluation. By harnessing the evanescent wavefield, recent developments in metamaterials offer the promise of sub-wavelength and super-resolution imaging, but such advances require sophisticated reception making practical realization challenging. Set in this context, this paper presents the development of a portable device for achieving super resolution ultrasonic imaging using conventional transducers. A prototype of the device has been built and practical super resolution ultrasonic imaging down to one-fifth of the operating wavelength is demonstrated using commercial probes.

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