Reviews of topical problems

Optical coherence tomography in elastography and angiography

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

An overview of modalities that are new for biomedical diagnostics and that have emerged in recent years in optical coherence tomography (OCT) — optical coherence tomography angiography (OCTA) and optical coherence elastography (OCE) — is given. These modalities are extensions of OCT imaging technology, which is based on the principles of low-coherence interferometry and celebrated its 30th anniversary in 2021. The basic principles of OCTA and OCE are outlined, the appearance of which was largely stimulated by earlier similar functional extensions in medical ultrasound. A number of results are presented that illustrate previously inaccessible possibilities opened up by the new modalities for biomedical applications. The article is an extended version of the report presented at the Scientific Session of the Division of Physical Sciences of the Russian Academy of Sciences, held on December 13, 2021.

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Fulltext is also available at DOI: 10.3367/UFNe.2022.06.039207
Keywords: optical coherence tomography, optical coherence tomography angiography, optical coherence elastography, compression elastography, biophotonics, optical biopsy
PACS: 42.30.Ms, 42.30.Va, 42.30.Wb, 42.62.Be, 62.20.D−, 62.20.F− (all)
DOI: 10.3367/UFNe.2022.06.039207
Citation: Zaitsev V Yu "Optical coherence tomography in elastography and angiography" Phys. Usp. 66 794–817 (2023)
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Received: 11th, April 2022, revised: 14th, June 2022, 21st, June 2022

Оригинал: Зайцев В Ю «Оптическая когерентная томография в эластографии и ангиографии» УФН 193 845–871 (2023); DOI: 10.3367/UFNr.2022.06.039207

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