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Dual-FBG and F-P Cavity Compound Optical Fiber Sensor for Simultaneous Measurement of Bending, Temperature and Strain

A dual-FBG and F-P cavity compound optical fiber sensor based on a multi-core fiber (MCF) is proposed. A hollow core fiber (HCF) was fused between a single-mode fiber (SMF) and a MCF to form the F-P cavity. Two FBGs with different reflective wavelength were prepared on a side core (SC) and the central core (CC) of MCF respectively. An asymmetric 45° reflector was fabricated at the end of the MCF to make the optical path of the dual-FBG and the F-P cavity in series. The combination of the F-P cavity and the FBG on the CC can measure temperature and axial strain, simultaneously, while both of them are insensitive to bending. The FBG on the SC is sensitive to bending and can be used for curvature measurement, and the temperature and axial strain compensation can be achieved by the combination of the F-P cavity and FBG on the CC. Therefore, the curvature, axial strain and temperature can be measured simultaneously by the compound sensor on a single optical fiber.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol. 41, No. 5, March 1, 2023

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 1582-1588

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

BENDING SENSOR
FBG SENSOR
MULTI-PARAMETER SENSING
F-P CAVITY SENSOR
MULTI-CORE OPTICAL FIBER

Info Detail Spesifik

DOI: 10.1109/JLT.2022.3224756

Pernyataan Tanggungjawab

Shitai Yang, Hongye Wang, Lingzhi Meng, Yijian Chen, Baoming Dong, Tingting Yuan, Zhang, Xiaotong, Libo Yuan

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