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Proceedings Paper

Fiber-based optical delay line for OCT system
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Paper Abstract

We have implemented an all-fiber optical delay line, which is composed of fiber optic components such as two linearly chirped fiber Bragg gratings, fiber optic coupler and circulator. The proposed all-fiber delay line possesses features of automatic dispersion compensation and amplified optical delay. Using the fundamental characteristics of chirped fiber Bragg gratings, the basic properties are derived to appreciate the principle of all-fiber delay line. We obtained the experimental results that reveals group delay cancellation and amplified optical delay. The non-invasive cross-sectional images of biological and transparent glass samples are acquired with the proposed all-fiber delay line, which validates the potential as an optical delay line and its feasibility for optical coherence tomography.

Paper Details

Date Published: 13 April 2005
PDF: 8 pages
Proc. SPIE 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX, (13 April 2005); doi: 10.1117/12.592678
Show Author Affiliations
Eun Seo Choi, Gwangju Institute of Science and Technology (South Korea)
Jihoon Na, Gwangju Institute of Science and Technology (South Korea)
Seon Young Ryu, Gwangju Institute of Science and Technology (South Korea)
Byeong Ha Lee, Gwangju Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 5690:
Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX
Valery V. Tuchin; Joseph A. Izatt; James G. Fujimoto, Editor(s)

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