Thermal response of Bragg gratings in PMMA microstructured optical fibers

Carroll, Karen, Zhang, Chi, Webb, David J., Kalli, Kyriacos, Argyros, Alexander and Large, Maryanne C.J. (2007). Thermal response of Bragg gratings in PMMA microstructured optical fibers. Optics express, 15 (14), pp. 8844-8850.


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.

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Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Additional Information: This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Uncontrolled Keywords: thermal characteristics, Bragg gratings, polymer optical fibers
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Published Date: 2007-06-29
Authors: Carroll, Karen
Zhang, Chi
Webb, David J.
Kalli, Kyriacos
Argyros, Alexander
Large, Maryanne C.J.



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