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Proceedings Paper

Line-field swept source optical coherence tomography system for evaluating microstructure of objects in near-infrared spectral range
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Paper Abstract

Peculiarities of optical design for optical coherence tomography (OCT) system with illumination by a swept-source in the spectral range 1.26-1.36 μm are considered. In the OCT system, an object is illuminated by light intensity distribution in the form of line providing high power efficiency of the light source when evaluating micro structure of objects. A linearray photo detector with the frame acquisition rate of a few tens of kilohertz is utilized that allows obtaining B-scans without mechanical lateral scanning. The illumination power density at each point of investigated object is much less with respect to conventional "flying spot" methods that is important when studying biological objects not resistant to intensive light. Results of experimental investigations utilizing the Linnik micro interferometer optical scheme are given. Experimental tomograms of different objects are presented.

Paper Details

Date Published: 26 June 2017
PDF: 8 pages
Proc. SPIE 10333, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials III, 103331L (26 June 2017); doi: 10.1117/12.2271779
Show Author Affiliations
Igor Gurov, ITMO Univ. (Russian Federation)
Nikita Margaryants, ITMO Univ. (Russian Federation)
Aleksei Pimenov, ITMO Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 10333:
Optical Methods for Inspection, Characterization, and Imaging of Biomaterials III
Pietro Ferraro; Simonetta Grilli; Monika Ritsch-Marte; Christoph K. Hitzenberger, Editor(s)

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