Highly birefringent suspended core photonic microcells for sensing applications

Chao Wang; Wei Jin; Wa Jin; Jun Ma; Hoi Lut Ho

doi:10.1117/12.2059320

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2 June 2014 Highly birefringent suspended core photonic microcells for sensing applications

Chao Wang, Wei Jin, Wa Jin, Jun Ma, Hoi Lut Ho

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Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915776 (2014) https://doi.org/10.1117/12.2059320
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We report a novel type of highly birefringent suspended core (SC) photonic microcells made by selectively inflating four air-columns in a solid core photonic crystal fiber. The wavelength-scale SC has two-fold rotational symmetry and exhibits high phase and group birefringence of ~3 x10^-3 and ~5 x10^-3 respectively at 1550 nm. By incorporating such microcells into Sagnac fiber loop interferometers, we demonstrated refractive index, temperature and gas pressure sensors with good performances.

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Chao Wang, Wei Jin, Wa Jin, Jun Ma, and Hoi Lut Ho "Highly birefringent suspended core photonic microcells for sensing applications ", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915776 (2 June 2014); https://doi.org/10.1117/12.2059320

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