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Opt Lett. 2013 Dec 15;38(24):5397-400. doi: 10.1364/OL.38.005397.

Ultra-high temperature chirped fiber Bragg gratings produced by gradient stretching of viscoelastic silica.

Optics letters

Shaorui Gao, John Canning, Kevin Cook

PMID: 24322267 DOI: 10.1364/OL.38.005397

Abstract

By applying a suitable quadratic temperature distribution at a temperature within the viscoelastic softening region for silica, a regenerated chirped grating with bandwidth of 9.8 nm is produced from a uniform grating using post strain-tuning under load. Simulated and experimental results are in good agreement.

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