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Optical coherence tomography in elastography and angiography

Federal Research Center Institute of Applied Physics of the Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation

An overview of the recently appeared modalities of Optical Coherence Tomography (OCT) — OCT-based angiography (OCA) and OCT-based elastography (OCE) is given. These biomedical diagnostic modalities are functional extensions of OCT. In 2021 this visualization technology based on principles of low-coherence interferometry celebrated its 30-year anniversary. The paper discusses main principles of OCA and OCE, the development of which to a significant degree was stimulated by the earlier proposed similar modalities of medical ultrasound. A number of examples are given to illustrate previously unavailable diagnostic possibilities opened by these new OCT modalities for biomedical applications. The paper is an extended version of the report presented in December 2021 at the scientific session of the Division of Physical Sciences of the Russian Academy of Sciences in December 2021.

Keywords: optical coherence tomography, OCT, optical coherence angiography, optical coherence elastography, compression elastography, biophotonics, optical biopsy
PACS: 42.30.Va, 42.30.Wb, 42.30.Ms, 42.62.Be, 62.20.Dc, 62.20.Fe (all)
DOI: 10.3367/UFNe.2022.06.039207
Citation: Zaitsev V Yu "Optical coherence tomography in elastography and angiography" Phys. Usp., accepted

Received: 11th, April 2022, revised: 14th, June 2022, 21st, June 2022

Оригинал: Зайцев В Ю «Оптическая когерентная томография в эластографии и ангиографии» УФН, принята к публикации; DOI: 10.3367/UFNr.2022.06.039207

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