Fabry-Pérot (FP) sensors have been used to produce in-vivo photoacoustic images of exquisite quality. However, for simplicity of construction FP sensors are produced in a planar form. Planar sensors suffer from a limited detection aperture, due to their planarity. We present a novel sensor geometry that allowed a greater field of view by placing a second sensor orthogonal to the first. This captured data from the deeper lying regions of interest and mitigated the limited view.
R. Ellwood, O. Ogunlade, E. Z. Zhang, P. C. Beard, and B. T. Cox, "Orthogonal Fabry-Pérot sensors for photoacoustic tomography," Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97082N (Presented at SPIE BiOS: February 17, 2016; Published: 15 March 2016); https://doi.org/10.1117/12.2212766.
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