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Photonics 2015, 2(1), 156-163; doi:10.3390/photonics2010156

Single Element-Based Dual Focused Photoacoustic Microscopy

Department of Biomedical Engineering, University of Florida, Gainesville, FL 32608, USA
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Author to whom correspondence should be addressed.
Received: 14 January 2015 / Revised: 25 January 2015 / Accepted: 30 January 2015 / Published: 3 February 2015
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Abstract

We present a single element-based dual focused photoacoustic microscopy (PAM) that shows improved signal-to-noise ratio and lateral resolution compared to conventional single focused PAM in the out-of-focus region. This dual focused PAM is based on the novel design of a single element-based dual focused transducer coupled with improved image reconstruction method using synthetic aperture dual focusing technique (SADFT). Polyvinylidene fluoride (PVDF) was used to fabricate the dual-focused transducer and phantom experiments were conducted to demonstrate the advantages of this novel transducer design. Experimental results obtained show that the signal-to-noise ratio and lateral resolution can be improved with a factor of 2X in the conventionally out-of-focus region using this technique. View Full-Text
Keywords: photoacoustic microscopy; dual focused transducer; synthetic aperture dual focused technique (SADFT) photoacoustic microscopy; dual focused transducer; synthetic aperture dual focused technique (SADFT)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Tang, J.; Jiang, H. Single Element-Based Dual Focused Photoacoustic Microscopy. Photonics 2015, 2, 156-163.

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