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Proceedings Paper

Parallelised photoacoustic signal acquisition using a Fabry-Perot sensor and a camera-based interrogation scheme
Author(s): T. Saeb Gilani; C. Villringer; E. Zhang; H. Gundlach; J. Buchmann; S. Schrader; J. Laufer
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Paper Abstract

Tomographic photoacoustic (PA) images acquired using a Fabry-Perot (FP) based scanner offer high resolution and image fidelity but can result in long acquisition times due to the need for raster scanning. To reduce the acquisition times, a parallelised camera-based PA signal detection scheme is developed. The scheme is based on using a sCMOScamera and FPI sensors with high homogeneity of optical thickness. PA signals were acquired using the camera-based setup and the signal to noise ratio (SNR) was measured. A comparison of the SNR of PA signal detected using 1) a photodiode in a conventional raster scanning detection scheme and 2) a sCMOS camera in parallelised detection scheme is made. The results show that the parallelised interrogation scheme has the potential to provide high speed PA imaging.

Paper Details

Date Published: 20 February 2018
PDF: 6 pages
Proc. SPIE 10494, Photons Plus Ultrasound: Imaging and Sensing 2018, 1049431 (20 February 2018); doi: 10.1117/12.2290223
Show Author Affiliations
T. Saeb Gilani, Technische Univ. Berlin (Germany)
C. Villringer, Technische Hochschule Wildau (Germany)
Univ. degli Studi di Roma (Italy)
E. Zhang, Univ. College London (United Kingdom)
H. Gundlach, Technische Univ. Berlin (Germany)
J. Buchmann, Technische Univ. Berlin (Germany)
S. Schrader, Technische Hochschule Wildau (Germany)
J. Laufer, Martin-Luther-Univ. Halle-Wittenberg (Germany)

Published in SPIE Proceedings Vol. 10494:
Photons Plus Ultrasound: Imaging and Sensing 2018
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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