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All-optical endoscopic probe for high resolution 3D photoacoustic tomography
2017
Photons Plus Ultrasound: Imaging and Sensing 2017
A novel all-optical forward-viewing photoacoustic probe using a flexible coherent fibre-optic bundle and a Fabry-Pérot (FP) ultrasound sensor has been developed. The fibre bundle, along with the FP sensor at its distal end, synthesizes a high density 2D array of wideband ultrasound detectors. Photoacoustic waves arriving at the sensor are spatially mapped by optically scanning the proximal end face of the bundle in 2D with a CW wavelength-tunable interrogation laser. 3D images are formed from
doi:10.1117/12.2250617
fatcat:m5v3ihzblzg6vm5zp6owcpm4lq