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Optoelectronic system based on photonic integrated circuits to miniaturize spectral domain OCT

  • We present a miniaturized optical coherence tomography (OCT) setup based on photonic integrated circuits (PIC) for the 850 nm range. We designed a 512-channel arrayed waveguide grating (AWG) on a PIC for spectral domain OCT (SD-OCT) that is co-integrated with PIN-photodiodes and analog-to-digital-converters on one single chip. This image sensor is combined with all the necessary electronics to act as a camera. It is integrated into a fiber-based OCT system, achieving a sensitivity of >80dB and various samples are imaged. This optoelectronic system will allow building small and cost-effective OCT systems to monitor retinal diseases.

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Author:Anja Agneter, Elisabet Rank, Marko Vlašković, Stefan Nevlacsil, Pietro Cipriano, Quang Nguyen, Ryan Santosa, Alejandro Maese Novo, Dana SeyringerORCiD, Moritz Eggeling, Martin Sagmeister, Ernst Bodenstorfer, Laurin Ginner, Jochen Kraft, Gerald Meinhardt, Horst Zimmermann, Rainer Hainberger, Paul Müllner, Rainer Leitgeb, Wolfgang Drexler
DOI:https://doi.org/10.1117/12.2647428
Parent Title (English):Optics and Biophotonics in Low-Resource Settings IX, SPIE BiOS, 2023, San Francisco, California, United States
Publication Series:Proceedings of SPIE, Volume PC12369
Publisher:SPIE
Place of publication:Bellingham, Washington
Document Type:Article
Language:English
Year of publication:2023
Release Date:2023/04/18
Tag:AWG-spectrometer; miniaturization; photonic integrated circuits; spectral domain OCT
Volume:2023
Issue:PC12369
Organisationseinheit:Forschung / Forschungszentrum Mikrotechnik
DDC classes:600 Technik, Medizin, angewandte Wissenschaften
JEL-Classification:Y Miscellaneous Categories
Open Access?:ja
Peer review:wiss. Beitrag, nicht peer-reviewed
Publicationlist:Seyringer, Dana