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Title: Thermal response of Bragg gratings in PMMA microstructured optical fibers
Authors: Carroll, Karen E. 
Zhang, Chi 
Webb, David J. 
Kalli, Kyriacos 
Argyros, Alexander 
Large, Maryanne C J 
Issue Date: 2007
Publisher: Optical Society of America
Source: Optics Express, Volume 15, Issue 14, pp. 8844-8850
Abstract: We report on the thermal characteristics of Bragg gratings fabricated in polymer optical fibers. We have observed a permanent shift in the grating wavelength at room temperature which occurs when the grating has been heated above a threshold temperature. This threshold temperature is dependent on the thermal history of the grating, and we attribute the effect to a shrinking of the fiber. This effect can be avoided by annealing the fiber before grating inscription, resulting in a linear response with temperature and an increased linear operating temperature range of the grating.
DOI: 10.1364/OE.15.008844
Rights: © 2007 Optical Society of America
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