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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 19, Iss. 8 — Aug. 1, 2001
  • pp: 1155–

Fictive Temperature Measurement of Single-Mode Optical-Fiber Core and Cladding

Dong-Lae Kim, Minoru Tomozawa, Sophie Dubois, and rard Orcel

Journal of Lightwave Technology, Vol. 19, Issue 8, pp. 1155- (2001)

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The fictive temperatures of single-mode optical-fiber core, along with its inner and outer cladding, were measured using an infrared (IR) reflection method on the fiber cross-sectional surface. To allow for usage of a larger IR beam size than the diameter of the fiber core, the cross-sectional area of the fiber was increased by slicing the fiber at an oblique angle, along approximately 3 off the fiber axis direction. The magnitude of the fictive temperature was estimated from the IR peak wavenumber-fictive temperature relation obtained for bulk glasses with the same compositions. The observed fictive temperature was in the range of 1150 1300 C for the core, 1450 1550 C for the inner cladding, and 1620 1660 C for the outer cladding and exhibited good correlation with the fiber cooling rate.


Dong-Lae Kim, Minoru Tomozawa, Sophie Dubois, and rard Orcel, "Fictive Temperature Measurement of Single-Mode Optical-Fiber Core and Cladding," J. Lightwave Technol. 19, 1155- (2001)

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