Refractive index and temperature sensitivity characteristics of a micro-slot fiber Bragg grating

Pouneh Saffari; Zhijun Yan; Kaiming Zhou; Lin Zhang

doi:10.1364/AO.51.004715

Refractive index and temperature sensitivity characteristics of a micro-slot fiber Bragg grating

Pouneh Saffari^*, Zhijun Yan, Kaiming Zhou, Lin Zhang

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

Fabrication and characterization of a UVinscribed fiber Bragg grating (FBG) with a micro-slot liquid core is presented. Femtosecond (fs) laser patterning/chemical etching technique was employed to engrave a micro-slot with dimensions of 5.74 μm(h) × 125 μm(w) × 1388.72 μm(l) across the whole grating. The device has been evaluated for refractive index (RI) and temperature sensitivities and exhibited distinctive thermal response and RI sensitivity beyond the detection limit of reported fiber gratings. This structure has not just been RI sensitive, but also maintained the robustness comparing with the bare core FBGs and long-period gratings with the partial cladding etched off. © 2012 Optical Society of America.

Original language	English
Pages (from-to)	4715-4721
Number of pages	7
Journal	Applied Optics
Volume	51
Issue number	20
DOIs	https://doi.org/10.1364/AO.51.004715
Publication status	Published - 9 Jul 2012

Keywords

equipment design
fiber optic technology
lasers
limit of detection
optical fibers
refractometry
temperature

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10.1364/AO.51.004715

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title = "Refractive index and temperature sensitivity characteristics of a micro-slot fiber Bragg grating",

abstract = "Fabrication and characterization of a UVinscribed fiber Bragg grating (FBG) with a micro-slot liquid core is presented. Femtosecond (fs) laser patterning/chemical etching technique was employed to engrave a micro-slot with dimensions of 5.74 μm(h) × 125 μm(w) × 1388.72 μm(l) across the whole grating. The device has been evaluated for refractive index (RI) and temperature sensitivities and exhibited distinctive thermal response and RI sensitivity beyond the detection limit of reported fiber gratings. This structure has not just been RI sensitive, but also maintained the robustness comparing with the bare core FBGs and long-period gratings with the partial cladding etched off. {\textcopyright} 2012 Optical Society of America.",

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AU - Saffari, Pouneh

AU - Yan, Zhijun

AU - Zhou, Kaiming

AU - Zhang, Lin

PY - 2012/7/9

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AB - Fabrication and characterization of a UVinscribed fiber Bragg grating (FBG) with a micro-slot liquid core is presented. Femtosecond (fs) laser patterning/chemical etching technique was employed to engrave a micro-slot with dimensions of 5.74 μm(h) × 125 μm(w) × 1388.72 μm(l) across the whole grating. The device has been evaluated for refractive index (RI) and temperature sensitivities and exhibited distinctive thermal response and RI sensitivity beyond the detection limit of reported fiber gratings. This structure has not just been RI sensitive, but also maintained the robustness comparing with the bare core FBGs and long-period gratings with the partial cladding etched off. © 2012 Optical Society of America.

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KW - fiber optic technology

KW - lasers

KW - limit of detection

KW - optical fibers

KW - refractometry

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Refractive index and temperature sensitivity characteristics of a micro-slot fiber Bragg grating

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