Swept-source multimode fiber imaging

Benjamin Lochocki; Aleksandra Ivanina; Akje Bandhoe; Johannes F. de Boer; Lyubov V. Amitonova

doi:https://doi.org/10.1038/s41598-023-34062-6

Swept-source multimode fiber imaging

Benjamin Lochocki, Aleksandra Ivanina, Akje Bandhoe, Johannes F. de Boer, Lyubov V. Amitonova

Amsterdam Neuroscience - Systems & Network Neuroscience (VUmc)

Research output: Contribution to journal › Article › Academic › peer-review

4 Citations (Scopus)

Abstract

High-resolution compressive imaging via a flexible multimode fiber is demonstrated using a swept-laser source and wavelength dependent speckle illumination. An in-house built swept-source allowing for independent control of bandwidth and scanning range is used to explore and demonstrate a mechanically scan-free approach for high-resolution imaging through an ultrathin and flexible fiber probe. The computational image reconstruction is shown by utilizing a narrow sweeping bandwidth of < 10 nm while acquisition time is decreased by 95% compared to conventional raster scanning endoscopy. Demonstrated narrow-band illumination in the visible spectrum is vital for the detection of fluorescence biomarkers in neuroimaging applications. The proposed approach yields device simplicity and flexibility for minimally invasive endoscopy.

Original language	English
Article number	8071
Pages (from-to)	1-9
Number of pages	9
Journal	Scientific reports
Volume	13
Issue number	1
DOIs	https://doi.org/10.1038/s41598-023-34062-6
Publication status	Published - 1 Dec 2023

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abstract = "High-resolution compressive imaging via a flexible multimode fiber is demonstrated using a swept-laser source and wavelength dependent speckle illumination. An in-house built swept-source allowing for independent control of bandwidth and scanning range is used to explore and demonstrate a mechanically scan-free approach for high-resolution imaging through an ultrathin and flexible fiber probe. The computational image reconstruction is shown by utilizing a narrow sweeping bandwidth of < 10 nm while acquisition time is decreased by 95% compared to conventional raster scanning endoscopy. Demonstrated narrow-band illumination in the visible spectrum is vital for the detection of fluorescence biomarkers in neuroimaging applications. The proposed approach yields device simplicity and flexibility for minimally invasive endoscopy.",

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AU - de Boer, Johannes F.

AU - Amitonova, Lyubov V.

N1 - Funding Information: This work has been carried out within ARCNL, a public-private partnership between UvA, VU, NWO and ASML and was partly financed by `Toeslag voor Topconsortia voor Kennis en Innovatie (TKI)' from the Dutch Ministry of Economic Affairs and Climate Policy. We would like to acknowledge the software support from Marco Seynen. We thank Sergey Amitonov for custom-made samples. Publisher Copyright: © 2023, The Author(s).

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Swept-source multimode fiber imaging

Abstract

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