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Proceedings Paper

OCT-based strain mapping and compression optical coherence elastography to study and control laser-assisted modification of avascular collagenous tissues
Author(s): Vladimir Y. Zaitsev; Alexander L. Matveyev; Lev A. Matveev; Alexander A. Sovetsky; Olga I. Baum; Alexey V. Yuzhakov; A. I. Omelchenko; Emil N. Sobol
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Paper Abstract

We consider application of optical coherence elastography (OCE) to problems of laser-assisted structural modification/reshaping of avascular collagenous tissues used for fabrication of cartilaginous implants and corneal tissue reshaping for perspective technologies of vision-correction. The developed OCE technique allows one to quantitatively visualize aperiodic strains during the IR-laser irradiation of the tissue samples and evaluate cumulative strains produced by the laser irradiations. OCE can assess stability of laser-modeled implants via monitoring of post-irradiation slow strains and to study the interplay of temperature and thermal stresses to optimize tissue reshaping. Irradiation-induced micro-porosity in the tissue can be assessed via combination of strain mapping with compressional optical elastography.

Paper Details

Date Published: 13 February 2020
PDF: 11 pages
Proc. SPIE 11242, Optical Elastography and Tissue Biomechanics VII, 1124202 (13 February 2020); doi: 10.1117/12.2549227
Show Author Affiliations
Vladimir Y. Zaitsev, Institute of Applied Physics (Russian Federation)
Alexander L. Matveyev, Institute of Applied Physics (Russian Federation)
Lev A. Matveev, Institute of Applied Physics (Russian Federation)
Alexander A. Sovetsky, Institute of Applied Physics (Russian Federation)
Olga I. Baum, Institute of Photonic Technologies (Russian Federation)
Federal Scientific Research Ctr. "Crystallography and Photonics" (Russian Federation)
Alexey V. Yuzhakov, Institute of Photonic Technologies (Russian Federation)
Federal Scientific Research Ctr. "Crystallography and Photonics" (Russian Federation)
A. I. Omelchenko, Institute of Photonic Technologies (Russian Federation)
Federal Scientific Research Ctr. "Crystallography and Photonics" (Russian Federation)
Emil N. Sobol, Arcuo Medical Inc. (United States)


Published in SPIE Proceedings Vol. 11242:
Optical Elastography and Tissue Biomechanics VII
Kirill V. Larin; Giuliano Scarcelli, Editor(s)

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