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Proceedings Paper

Photoacoustic imaging using an 8-beam Fabry-Perot scanner
Author(s): Nam Huynh; Olumide Ogunlade; Edward Zhang; Ben Cox; Paul Beard
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Paper Abstract

The planar Fabry Perot (FP) photoacoustic scanner has been shown to provide exquisite high resolution 3D images of soft tissue structures in vivo to depths up to approximately 10mm. However a significant limitation of current embodiments of the concept is low image acquisition speed. To increase acquisition speed, a novel multi-beam scanner architecture has been developed. This enables a line of equally spaced 8 interrogation beams to be scanned simultaneously across the FP sensor and the photoacoustic signals detected in parallel. In addition, an excitation laser operating at 200Hz was used. The combination of parallelising the detection and the high pulse repetition frequency (PRF) of the excitation laser has enabled dramatic reductions in image acquisition time to be achieved. A 3D image can now be acquired in 10 seconds and 2D images at video rates are now possible.

Paper Details

Date Published: 18 March 2016
PDF: 5 pages
Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97082L (18 March 2016); doi: 10.1117/12.2214334
Show Author Affiliations
Nam Huynh, Univ. College London (United Kingdom)
Olumide Ogunlade, Univ. College London (United Kingdom)
Edward Zhang, Univ. College London (United Kingdom)
Ben Cox, Univ. College London (United Kingdom)
Paul Beard, Univ. College London (United Kingdom)


Published in SPIE Proceedings Vol. 9708:
Photons Plus Ultrasound: Imaging and Sensing 2016
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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