| Issue |
EPL
Volume 129, Number 3, February 2020
|
|
|---|---|---|
| Article Number | 34002 | |
| Number of page(s) | 5 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/129/34002 | |
| Published online | 02 March 2020 | |
Super-resolution limit of shear-wave elastography
INSERM U1032 LabTAU, Université de Lyon - Lyon, France
(a) stefan.catheline@inserm.fr
Received: 17 September 2019
Accepted: 10 February 2020
When a wave field is measured within a propagative medium, it is widely accepted that the resulting image resolution depends on the measuring point density, and no longer on the wavelength. Indeed, in situ measurements allow the near-field details needed for super-resolution to be retrieved. Rarely studied in elastography, this is supported here by experiments. A passive elastography imaging of two inclusions in a tissue mimicking phantom is shown with a resolution down to 1/45 of a shear wavelength.
PACS: 43.80.Ev – Acoustical measurement methods in biological systems and media / 43.20.Jr – Velocity and attenuation of elastic and poroelastic waves
© EPLA, 2020
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