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Proceedings Paper

Fully parallelised read-out of a Fabry-Perot ultrasound sensor using an InGaAs camera for fast photoacoustic imaging (Conference Presentation)

Paper Abstract

Fabry-Perot (FP) based scanners are typically interrogated by scanning a single focused laser beam over its surface and measuring the reflected light. However, this approach can be relatively slow with acquisition times on the order of minutes. An alternative is to parallelise the read-out of the Fabry-Perot sensor by illuminating it with a large diameter collimated interrogation beam (e.g. 1 cm) and measuring the reflected light using an InGaAs camera. This approach allows acquiring 3D photoacoustic images in sub-second time frames. To demonstrate this speed advantage, a camera based FP scanner was developed and evaluated.

Paper Details

Date Published: 20 April 2020
Proc. SPIE 11240, Photons Plus Ultrasound: Imaging and Sensing 2020, 112400U (20 April 2020); doi: 10.1117/12.2550127
Show Author Affiliations
Thomas J. Allen, Univ. College London (United Kingdom)
Edward Zhang, Univ. College London (United Kingdom)
Paul C. Beard, Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 11240:
Photons Plus Ultrasound: Imaging and Sensing 2020
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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