Fiber-based optical delay line for OCT system

Eun Seo Choi; Jihoon Na; Seon Young Ryu; Byeong Ha Lee

doi:10.1117/12.592678

13 April 2005 Fiber-based optical delay line for OCT system

Eun Seo Choi, Jihoon Na, Seon Young Ryu, Byeong Ha Lee

Proceedings Volume 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX; (2005) https://doi.org/10.1117/12.592678
Event: SPIE BiOS, 2005, San Jose, CA, United States

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.

Citation Download Citation

Eun Seo Choi, Jihoon Na, Seon Young Ryu, and Byeong Ha Lee "Fiber-based optical delay line for OCT system", Proc. SPIE 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX, (13 April 2005); https://doi.org/10.1117/12.592678

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