Effect of CO2laser irradiation on the refractive-index change in optical fibers

Bok Hyeon Kim; Tae Jung Ahn; Dug Young Kim; Byeong Ha Lee; Youngjoo Chung; Un Chul Paek; Won Taek Han

doi:10.1364/AO.41.003809

Effect of CO₂laser irradiation on the refractive-index change in optical fibers

Bok Hyeon Kim, Tae Jung Ahn, Dug Young Kim, Byeong Ha Lee, Youngjoo Chung, Un Chul Paek, Won Taek Han

Department of Physics

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

The effect of CO₂laser irradiation on the refractive-index change in optical fibers is investigated by measuring the interference fringe shift formed by a long-period fiber grating pair. The refractive-index decrease on CO₂laser irradiation was due to relaxation of the residual stress, which was formed in optical fibers during the drawing process, and the refractive-index decrease was found to increase linearly with the drawing force. The effect of the CO₂laser output power on residual-stress relaxation, and fiber elongation was also studied.

Original language	English
Pages (from-to)	3809-3815
Number of pages	7
Journal	Applied Optics
Volume	41
Issue number	19
DOIs	https://doi.org/10.1364/AO.41.003809
Publication status	Published - 2002 Jul 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.41.003809

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AU - Chung, Youngjoo

AU - Paek, Un Chul

AU - Han, Won Taek

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AB - The effect of CO2laser irradiation on the refractive-index change in optical fibers is investigated by measuring the interference fringe shift formed by a long-period fiber grating pair. The refractive-index decrease on CO2laser irradiation was due to relaxation of the residual stress, which was formed in optical fibers during the drawing process, and the refractive-index decrease was found to increase linearly with the drawing force. The effect of the CO2laser output power on residual-stress relaxation, and fiber elongation was also studied.

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Effect of CO₂laser irradiation on the refractive-index change in optical fibers

Abstract

All Science Journal Classification (ASJC) codes

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