Bias-sensitive crossed-electrode relaxor 2D arrays for 3D photoacoustic imaging

Chris Ceroici; Katherine Latham; Ryan Chee; Jeremy A. Brown; Roger J. Zemp

doi:10.1117/12.2288854

Bias-sensitive crossed-electrode relaxor 2D arrays for 3D photoacoustic imaging

Chris Ceroici, Katherine Latham, Ryan Chee, Jeremy A. Brown, Roger J. Zemp

Medicine

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

We introduce novel bias-sensitive piezoelectric transducer (relaxor) arrays for 3D photoacoustic imaging. A 64×64 element relaxor array using a crossed electrode or Top-Orthogonal to Bottom-Electrode (TOBE) wiring configuration is used to receive photoacoustic data from two crossed wires with 17.8 um diameters in an intralipid medium. A 3D image was then reconstructed. By biasing a column and receiving along a row, individual elements can be isolated for readout of signals from all elements using bias-switching-based multiplexing. We demonstrate a reconstruction technique called Hadamard-bias encoding with dynamic receive beamforming in which, rather than using a single column to index an array element, multiple columns are biased simultaneously allowing for more receiving elements and substantially improved SNR. Ongoing work will investigate in vivo imaging. The proposed arrays represent a new paradigm for 3D photoacoustic imaging.

Original language	English
Title of host publication	Photons Plus Ultrasound
Subtitle of host publication	Imaging and Sensing 2018
Editors	Lihong V. Wang, Alexander A. Oraevsky
Publisher	SPIE
ISBN (Electronic)	9781510614734
DOIs	https://doi.org/10.1117/12.2288854
Publication status	Published - 2018
Event	Photons Plus Ultrasound: Imaging and Sensing 2018 - San Francisco, United States Duration: Jan 28 2018 → Feb 1 2018

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	10494
ISSN (Print)	1605-7422

Conference

Conference	Photons Plus Ultrasound: Imaging and Sensing 2018
Country/Territory	United States
City	San Francisco
Period	1/28/18 → 2/1/18

Bibliographical note

Publisher Copyright:
© COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

ASJC Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Biomaterials
Atomic and Molecular Physics, and Optics
Radiology Nuclear Medicine and imaging

Access to Document

10.1117/12.2288854

Cite this

Ceroici, C., Latham, K., Chee, R., Brown, J. A., & Zemp, R. J. (2018). Bias-sensitive crossed-electrode relaxor 2D arrays for 3D photoacoustic imaging. In L. V. Wang, & A. A. Oraevsky (Eds.), Photons Plus Ultrasound: Imaging and Sensing 2018 Article 1049420 (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10494). SPIE. https://doi.org/10.1117/12.2288854

Bias-sensitive crossed-electrode relaxor 2D arrays for 3D photoacoustic imaging. / Ceroici, Chris; Latham, Katherine; Chee, Ryan et al.
Photons Plus Ultrasound: Imaging and Sensing 2018. ed. / Lihong V. Wang; Alexander A. Oraevsky. SPIE, 2018. 1049420 (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10494).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ceroici, C, Latham, K, Chee, R, Brown, JA & Zemp, RJ 2018, Bias-sensitive crossed-electrode relaxor 2D arrays for 3D photoacoustic imaging. in LV Wang & AA Oraevsky (eds), Photons Plus Ultrasound: Imaging and Sensing 2018., 1049420, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 10494, SPIE, Photons Plus Ultrasound: Imaging and Sensing 2018, San Francisco, United States, 1/28/18. https://doi.org/10.1117/12.2288854

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abstract = "We introduce novel bias-sensitive piezoelectric transducer (relaxor) arrays for 3D photoacoustic imaging. A 64×64 element relaxor array using a crossed electrode or Top-Orthogonal to Bottom-Electrode (TOBE) wiring configuration is used to receive photoacoustic data from two crossed wires with 17.8 um diameters in an intralipid medium. A 3D image was then reconstructed. By biasing a column and receiving along a row, individual elements can be isolated for readout of signals from all elements using bias-switching-based multiplexing. We demonstrate a reconstruction technique called Hadamard-bias encoding with dynamic receive beamforming in which, rather than using a single column to index an array element, multiple columns are biased simultaneously allowing for more receiving elements and substantially improved SNR. Ongoing work will investigate in vivo imaging. The proposed arrays represent a new paradigm for 3D photoacoustic imaging.",

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Bias-sensitive crossed-electrode relaxor 2D arrays for 3D photoacoustic imaging

Abstract

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Bibliographical note

ASJC Scopus Subject Areas

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