Metasurfaces in Endoscopic Optical Coherence Tomography

David C. Adams; Hamid Pahlevaninezhad; Masoud Pahlevaninezhad; Melissa J. Suter

doi:10.1117/12.2652634

17 March 2023 Metasurfaces in Endoscopic Optical Coherence Tomography

David C. Adams, Hamid Pahlevaninezhad, Masoud Pahlevaninezhad, Melissa J. Suter

Proceedings Volume PC12356, Endoscopic Microscopy XVIII; PC123560E (2023) https://doi.org/10.1117/12.2652634
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Metasurfaces possess vast potential for flexible beam shaping with reduced physical footprint compared to traditional refractive bulk optics. In our group we have recently investigated two applications for metasurfaces in optical coherence tomography (OCT): a compact metalens possessing wavefront shaping properties significantly improved over lens designs typically employed in endoscopic OCT; and a metasurface design in which the separation of the illumination and collection channels allows a narrow point spread function to be maintained over a large depth range. In this work we show OCT results obtained using these metasurfaces and discuss the future role of metasurfaces in endoscopic OCT.

Conference Presentation

Citation Download Citation

David C. Adams, Hamid Pahlevaninezhad, Masoud Pahlevaninezhad, and Melissa J. Suter "Metasurfaces in Endoscopic Optical Coherence Tomography", Proc. SPIE PC12356, Endoscopic Microscopy XVIII, PC123560E (17 March 2023); https://doi.org/10.1117/12.2652634

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