Regeneration of fiber Bragg gratings under strain.

Publication Type:
Journal Article
Citation:
Appl Opt, 2013, 52 (10), pp. 2080 - 2085
Issue Date:
2013-04-01
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The effect of strain on both the index modulation, Δn(mod), and average index, Δn, during grating regeneration within two types of fibers is studied. Significant tunability of the Bragg wavelength (λ(B)>48 nm) is observed during postannealing at or above the strain temperature of the glass. The main reason for the grating wavelength shift during annealing with load is the elongation of the fiber. As well, the observed Moiré interference cycling through regeneration indicates the presence of two gratings.
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