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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 18, Iss. 11 — Nov. 1, 2000
  • pp: 1528–

Rayleigh Scattering Reduction Method for Silica-Based Optical Fiber

Kyozo Tsujikawa, Katsusuke Tajima, and Masaharu Ohashi

Journal of Lightwave Technology, Vol. 18, Issue 11, pp. 1528- (2000)


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Abstract

The effect of the thermal treatment of silica-based glasses and glass fibers on their Rayleigh scattering is investigated experimentally. The Rayleigh scattering coefficients of bulk glasses are found to be increased 5-10% by heating them to 1800C because the density fluctuation is in proportion to their fictive temperature. Based on these results, we propose a method for reducing the Rayleigh scattering losses of silica-based optical fibers by drawing them slowly at low temperatures. We used this method to obtain a GeO 2 doped silica core single-mode fiber with a minimum loss of 0.16 dB/km at 1.55 m. As a result, we confirmed that the reduction in the fictive temperature of silica-based glasses and glass fibers reduces their Rayleigh scattering.

[IEEE ]

Citation
Kyozo Tsujikawa, Katsusuke Tajima, and Masaharu Ohashi, "Rayleigh Scattering Reduction Method for Silica-Based Optical Fiber," J. Lightwave Technol. 18, 1528- (2000)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-18-11-1528

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