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Fabrication and Characterisation of Miniature Parabolic Acoustic Lenses

Alles, EJ; Nikitichev, D; Desjardins, AE; IEEE, ; (2015) Fabrication and Characterisation of Miniature Parabolic Acoustic Lenses. In: Ultrasonics Symposium (IUS), 2015 IEEE International. (pp. pp. 1-4). IEEE

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Abstract

As recently demonstrated, all-optical B-mode ultrasound imaging can be performed with a pair of coated optical fibres for transmission and reception that is translated to create a virtual array of elements. However, with translation in the in-plane dimension, the small lateral dimensions of the fibres results in out-of-plane acoustic divergence, which leads to image clutter and loss of sensitivity.

Type: Proceedings paper
Title: Fabrication and Characterisation of Miniature Parabolic Acoustic Lenses
DOI: 10.1109/ULTSYM.2015.0548
Publisher version: http://dx.doi.org/10.1109/ULTSYM.2015.0548
Language: English
Keywords: Acoustic devices; acoustic imaging; acoustic wave attenuation; acoustic wave transmission; laser beam cutting; lenses; polymers; 3D-printing; PMMA; VeroWhite Plus; acoustic field; acoustic properties; acoustic transmission; acrylic; acylindrical acoustic lenses; differential attenuation coefficient; fabrication methods; frequency 5 MHz; genetic algorithm; laser cutting; lens shapes; miniature parabolic acoustic lenses; out-of-plane dimension; out-of-plane focus; speed of sound. Acoustic measurements; Acoustics; Attenuation; Bandwidth; Imaging; Lenses; Shape
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1472263
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