Paper
20 May 2013 Birefringent microfiber-based fiber loop mirrors for tunable filters and refractive index sensors
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Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87943W (2013) https://doi.org/10.1117/12.2026655
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland
Abstract
Highly birefringent (Hi-Bi) microfiber-based fiber loop mirrors (FLMs) were studied for tunable comb filters and refractive index (RI) sensors. RI sensitivity of up to 15,441 nm/RIU was experimentally demonstrated for the RI sensors and, for the tunable filter a thermal tuning coefficient of ~-2.35nm/°C was obtained for temperature from 20 to 90°C when it was immersed into water. The use of two cascaded Hi-Bi micro-tapers within a Sagnac loop allows more flexibility in controlling the transmission/reflection spectraums of the FLM. The length of the tapered Hi-Bi microfibers is on the order of centimeters, two orders of magnitude shorter than the conventional Hi-Bi fiber-based devices.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wa Jin, Haifeng Xuan, and Wei Jin "Birefringent microfiber-based fiber loop mirrors for tunable filters and refractive index sensors", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87943W (20 May 2013); https://doi.org/10.1117/12.2026655
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KEYWORDS
Refractive index

Water

Linear filtering

Integrated optics

Mirrors

Sensors

Single mode fibers

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