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Proceedings Paper

Measurement of refractive index change due to CO2 laser irradiation using an LPG pair in optical fibers
Author(s): Bokhyeon Kim; Tae-Jung Ahn; Y. Park; D.Y. Kim; Byeong Ha Lee; Youngjoo Chung; Un-Chul T. Paek; Won-Taek Han
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Paper Abstract

Refractive index change in the core of optical fibers by CO2 laser irradiation was measured by using a long period fiber grating (LPG) pair. Effect of drawing force applied to the optical fibers during drawing process on the refractive index change upon the CO2 laser irradiation was investigated. The refractive index was found to decrease linearly with the drawing force and it was due to the relaxation of the residual stress. Effect of the CO2 laser output power on the residual stress relaxation and the fiber elongation was also studied.

Paper Details

Date Published: 19 October 2001
PDF: 10 pages
Proc. SPIE 4579, Optical Fiber and Planar Waveguide Technology, (19 October 2001); doi: 10.1117/12.444907
Show Author Affiliations
Bokhyeon Kim, Kwangju Institute of Science and Technology (South Korea)
Tae-Jung Ahn, Kwangju Institute of Science and Technology (South Korea)
Y. Park, Kwangju Institute of Science and Technology (South Korea)
D.Y. Kim, Kwangju Institute of Science and Technology (South Korea)
Byeong Ha Lee, Kwangju Institute of Science and Technology (South Korea)
Youngjoo Chung, Kwangju Institute of Science and Technology (South Korea)
Un-Chul T. Paek, Kwangju Institute of Science and Technology (South Korea)
Won-Taek Han, Kwangju Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 4579:
Optical Fiber and Planar Waveguide Technology
Shuisheng Jian; Yanming Liu, Editor(s)

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