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19 July 2019 Large area all-optical ultrasound imaging using robotic control
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Abstract
n this study we report the integration of an all-optical ultrasound probe and robotic manipulator. The alloptical ultrasound probe comprised two optical fibres, a MWCNT/PDMS composite coated multimode fibre for ultrasound generation, and a concave Fabry-Perot fibre optic hydrophone for ultrasound reception. The ultrasound probe generated pressures in excess of 2 MPa at 1:5 mm, with a corresponding -6 dB bandwidth of ca. 30 MHz. The probe was built into a rigid endoscope (outer diameter: 5 mm, length: 300 mm) and mounted on a robotic manipulator. Ultrasound A-lines were acquired during robot manipulation in order to reconstruct a 3D image which was displayed as a point cloud. Large area images (80 × 80 mm) of a tissue mimicking gel wax phantom where acquired and displayed in real-time. This work demonstrates the potential for integrating miniature fibre optic ultrasound devices with robotics.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard J. Colchester, Erwin J. Alles, George Dwyer, Efthymios Maneas, Danail Stoyanov, and Adrien E. Desjardins "Large area all-optical ultrasound imaging using robotic control", Proc. SPIE 11077, Opto-Acoustic Methods and Applications in Biophotonics IV, 110771G (19 July 2019); https://doi.org/10.1117/12.2525379
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