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9 March 2023 High-density ultrasound array based on the fully parallelised read-out of a Fabry-Perot sensor for fast photoacoustic tomography
Thomas J. Allen, Edward Zhang, Paul Beard
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Proceedings Volume PC12379, Photons Plus Ultrasound: Imaging and Sensing 2023; PC123791S (2023) https://doi.org/10.1117/12.2656065
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Fabry-Perot scanners are typically read-out in a sequential manner. An alternative approach is to use a widefield illumination and measure the reflected light in parallel using a camera. This approach allows for a finer spatial sampling of the Fabry-Perot sensor and can speed up the image acquisition. In a first instance, the capability of the camera-based approach to finely spatially sample the sensor, with the means of improving image resolution, was demonstrated. In a second instance, the ability of the camera-based system to acquire 3D photoacoustic images in 200 ms when operating at a PRF of 1 kHz was demonstrated.
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Thomas J. Allen, Edward Zhang, and Paul Beard "High-density ultrasound array based on the fully parallelised read-out of a Fabry-Perot sensor for fast photoacoustic tomography", Proc. SPIE PC12379, Photons Plus Ultrasound: Imaging and Sensing 2023, PC123791S (9 March 2023); https://doi.org/10.1117/12.2656065
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KEYWORDS
Fabry–Perot interferometers
Photoacoustic tomography
Sensors
Ultrasonography
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