High fidelity in vivo optoacoustic micro-tomography using a micro-ring silicon photonics acoustic detector (SPADE)

Ron Moisseev; Tamar Harary; Michael Nagli; Nathan Suleymanov; Eitan Kaminski; Yoav Hazan; Gil Gelbert; Ilya Goykhman; Amir Rosenthal

doi:10.1117/12.3002295

13 March 2024 High fidelity in vivo optoacoustic micro-tomography using a micro-ring silicon photonics acoustic detector (SPADE)

Ron Moisseev, Tamar Harary, Michael Nagli, Nathan Suleymanov, Eitan Kaminski, Yoav Hazan, Gil Gelbert, Ilya Goykhman, Amir Rosenthal

Author Affiliations +

Proceedings Volume PC12842, Photons Plus Ultrasound: Imaging and Sensing 2024; PC128420O (2024) https://doi.org/10.1117/12.3002295
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

We demonstrate an ultra-wideband silicon-photonics acoustic detector (SPADE) with high sensitivity and signal fidelity, enabling highly detailed vascular imaging with resolutions comparable to optoacoustic microscopy. Our design is based on a planarized micro-ring resonator coated with an elastomer cladding in which the sensing is performed. The design of the guided optical mode and the use of planarization lead to high signal fidelity and a tomographic point-spread function that is in excellent agreement with the theoretical prediction. The new SPADE platform is demonstrated in vivo for imaging the vasculature of a mouse ear in high definition.

Conference Presentation

Citation Download Citation

Ron Moisseev, Tamar Harary, Michael Nagli, Nathan Suleymanov, Eitan Kaminski, Yoav Hazan, Gil Gelbert, Ilya Goykhman, and Amir Rosenthal "High fidelity in vivo optoacoustic micro-tomography using a micro-ring silicon photonics acoustic detector (SPADE)", Proc. SPIE PC12842, Photons Plus Ultrasound: Imaging and Sensing 2024, PC128420O (13 March 2024); https://doi.org/10.1117/12.3002295

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