Peer-reviewed veterinary case report
Micron-scale imaging using bulk ultrasonics.
- Year:
- 2024
- Authors:
- Chandran L et al.
- Affiliation:
- Indian Institute of Technology Madras · India
Abstract
An extraordinary resolution down to 50 microns is demonstrated for the first time for bulk ultrasonics, using novel micro-fabricated metamaterial lenses. The development and performance of the silicon-based Fabry-Perot type metalenses with an array of 10 micrometre square holes are discussed. Challenges in wave reception are addressed by a custom-developed micro-focal laser with a sub-micron spot size and an innovative experimental set-up together with physics based signal processing. The results provide a pathway for material diagnostics at greater depths with high resolution using micro-metalens-enhanced ultrasound as an alternative to expensive and radiation prone electromagnetic techniques.
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Search related cases →Original publication: https://europepmc.org/article/MED/39424836