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Proceedings Paper

Viscoelastic tuning of fibre Bragg gratings during regeneration
Author(s): John Canning; Sharoui Gao; Kevin Cook; Arnaud Loubert; Matthieu Lancry
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Paper Abstract

Regenerating at constant temperature under load allows inelastic changes in glass that can be exploited to tune the Bragg wavelength of a filter to any arbitrary spectral position. We have reported < 20nm of tuning of a 1 cm grating with no limit in sight. Further, regenerating under a temperature profile allows complex spectral shaping of the grating profile. As an example, we have reported broadband chirping by more than Δλ < 9 nm over 1 cm using this approach. High temperature viscoelastic tuning therefore offers a simple and powerful low cost way of tuning the properties of fibre Bragg gratings using a single phase mask.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 9157AJ (2 June 2014); doi: 10.1117/12.2058990
Show Author Affiliations
John Canning, The Univ. of Sydney (Australia)
Sharoui Gao, The Univ. of Sydney (Australia)
Zhejiang Univ. (China)
Kevin Cook, The Univ. of Sydney (Australia)
Arnaud Loubert, The Univ. of Sydney (Australia)
ICMMO, CNRS, Univ. Paris Sud 11 (France)
Matthieu Lancry, ICMMO, CNRS, Univ. Paris-Sud 11 (France)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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