All fiber M-Z interferometer for high temperature sensing based on a hetero-structured cladding solid-core photonic bandgap fiber | Zendy

Xiongwei Hu | Zendy; Xiang Shen | Zendy; Jian Wu | Zendy; Jinggang Peng | Zendy; Lvyun Yang | Zendy; Jinyan Li | Zendy; Haiqin Li | Zendy; Nengli Dai | Zendy

Open Access

All fiber M-Z interferometer for high temperature sensing based on a hetero-structured cladding solid-core photonic bandgap fiber

Author(s) -

Xiongwei Hu,

Xiang Shen,

Jian Wu,

Jinggang Peng,

Lvyun Yang,

Jinyan Li,

Haiqin Li,

Nengli Dai

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.021693

Subject(s) - cladding (metalworking) , materials science , photonic crystal fiber , optics , fiber optic sensor , single mode optical fiber , photonic bandgap , optical fiber , hard clad silica optical fiber , plastic clad silica fiber , polarization maintaining optical fiber , plastic optical fiber , microstructured optical fiber , optoelectronics , photonic crystal , physics , wavelength , metallurgy

We proposed and experimentally demonstrated a high temperature fiber sensor using a hetero-structured cladding solid-core photonic bandgap fiber (HCSC-PBGF) for the first time to our knowledge. A hetero-structured cladding solid-core photonic bandgap fiber is designed and fabricated that supports vibrant core mode and cladding mode transmission. Then, an all fiber M-Z interference sensor is constructed by splicing single mode fiber at both ends of HCSC-PBGF without any other micromachining. The transmission characteristics of HCSC-PBGF are analyzed with a full-vector beam propagation method and a full-vector finite element method, and the simulation results are consistent with experiment results. The sensitivity of this fiber sensor is as high as 0.09 nm/°C when operating from room temperature to 1000 °C, and the fringe contrast keeps stable and clear. It is obvious that this all fiber sensor will have great application prospects in fiber sensing with the advantages of a compact structure, high sensitivity, and cost-effectiveness.

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