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

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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 languageEnglish
Pages (from-to)3809-3815
Number of pages7
JournalApplied Optics
Volume41
Issue number19
DOIs
Publication statusPublished - 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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    Kim, B. H., Ahn, T. J., Kim, D. Y., Lee, B. H., Chung, Y., Paek, U. C., & Han, W. T. (2002). Effect of CO2laser irradiation on the refractive-index change in optical fibers. Applied Optics, 41(19), 3809-3815. https://doi.org/10.1364/AO.41.003809