Refractive index sensitivity of long-period fiber gratings written in thinned cladding fiber by CO2 laser

Yunhe Zhao; Yunqi Liu; Qiang Guo; Tingyun Wang

doi:10.1117/12.2059286

2 June 2014 Refractive index sensitivity of long-period fiber gratings written in thinned cladding fiber by CO₂ laser

Yunhe Zhao, Yunqi Liu, Qiang Guo, Tingyun Wang

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915715 (2014) https://doi.org/10.1117/12.2059286
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We demonstrate the fabrication of the long-period fiber gratings (LPFGs) in the thinned cladding fiber (TCF) using CO₂ laser. The sensing response of the gratings to surrounding refractive index has been investigated experimentally. The LPFGs written in the TCF could be used as the high sensitive refractive index sensors.

Citation Download Citation

Yunhe Zhao, Yunqi Liu, Qiang Guo, and Tingyun Wang "Refractive index sensitivity of long-period fiber gratings written in thinned cladding fiber by CO₂ laser", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915715 (2 June 2014); https://doi.org/10.1117/12.2059286

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