Journal
OPTICS EXPRESS
Volume 24, Issue 15, Pages 16232-16237Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.24.016232
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Funding
- Russian Science Foundation [14-22-00118]
- Russian Foundation for Basic Research [16-32-00777]
- Russian Federation [MK-6657.2016.2]
- Russian Science Foundation [14-22-00118] Funding Source: Russian Science Foundation
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A ferrule-based method of direct fs FBG inscription through protective plastic coating is demonstrated. Fluctuations of fiber core position relative to the writing fs beam are compensated by the developed auto-alignment system. As a result, high-quality FBGs with length from 0.1 to 50 mm are fabricated in polyimide-coated fibers, whose spectra are well described by the theory. The fabricated FBGs have great potential in sensor applications at high temperature and harsh environments both point-action and distributed ones. (C) 2016 Optical Society of America.
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