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A review of viscoelastic tuning of FBGs during regeneration

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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 and broadband chirping by more than Δλ > 9 nm.

© 2014 Optical Society of America

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