Long period gratings in highly birefringent microfibers

Wa Jin; Haifeng Xuan; Wei Jin

doi:10.1117/12.2059025

2 June 2014 Long period gratings in highly birefringent microfibers

Wa Jin, Haifeng Xuan, Wei Jin

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91577N (2014) https://doi.org/10.1117/12.2059025
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We report the fabrication of long-period gratings (LPGs) in highly birefringent (Hi-Bi) microfibers. The LPGs were fabricated by using a femtosecond infrared laser to modify the surface or a CO2 laser to induce micro-tapers periodically along the Hi-Bi microfibers. These LPGs have pitches from tens to hundreds of micrometers and very strong polarization dependent resonances. A LPG fabricated on a Hi-Bi microfiber with a major-diameter of ~2.8 μm and an ellipticity of ~0.7 demonstrated a refractive index sensitivity of ~4623 nm/RIU in water.

Citation Download Citation

Wa Jin, Haifeng Xuan, and Wei Jin "Long period gratings in highly birefringent microfibers", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91577N (2 June 2014); https://doi.org/10.1117/12.2059025

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