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High temperature sensing with single material silica optical fibers
Author(s): Stephen C. Warren-Smith; Linh V. Nguyen; Heike Ebendorff-Heidepriem; Tanya M. Monro
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Paper Abstract

We present recent developments in high temperature sensing using single material silica optical fibers. By using a single material fiber, in this case a suspended-core fiber, we avoid effects due to dopant diffusion at high temperature. This allows the measurement of temperatures up to the dilatometric softening temperature at approximately 1300°C. We demonstrate and compare high temperature sensing in two configurations. The first exploits a small section of single material fiber spliced onto a length of conventional single mode fiber, which operates through multimode interference. The second utilizes a type II fiber Bragg grating written via femtosecond laser ablation.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103233M (23 April 2017); doi: 10.1117/12.2265205
Show Author Affiliations
Stephen C. Warren-Smith, The Univ. of Adelaide (Australia)
Linh V. Nguyen, The Univ. of Adelaide (Australia)
Heike Ebendorff-Heidepriem, The Univ. of Adelaide (Australia)
Tanya M. Monro, The Univ. of Adelaide (Australia)
Univ. of South Australia (Australia)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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