Mid-infrared OCT imaging in highly scattering samples using real-time upconversion of broadband supercontinuum covering from 3.6-4.6 μm

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2019Researchpeer-review



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We present a mid-infrared spectral-domain optical coherence tomography system operating at 4.1 μm central wavelength with a high axial resolution of 8.6 μm enabled by more than 1 μm bandwidth from 3.58-4.63 μm produced by a mid-infrared supercontinuum laser. The system produces 2D cross-sectional images in real-time enabled the high-brightness of the supercontinuum source in combination with broadband upconversion of the signal to the range 820-865 nm, where a standard 800 nm array spectrometer can be used for fast detection. We discuss the potential applications within nondestructive testing in highly scattering materials and within biomedical imaging for achieving the in-vivo optical biopsy.
Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages6
PublisherSPIE - International Society for Optical Engineering
Publication date2019
ISBN (Print)9781510623880
Publication statusPublished - 2019
EventSPIE Photonics West 2019: BIOS - Moscone Centre, San Francisco, United States
Duration: 2 Feb 20197 Feb 2019


ConferenceSPIE Photonics West 2019: BIOS
LocationMoscone Centre
CountryUnited States
CitySan Francisco
Internet address
SeriesProceedings of SPIE, the International Society for Optical Engineering
CitationsWeb of Science® Times Cited: No match on DOI

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ID: 181836858