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[期刊论文]

Determination of temperature and strain by a compact optical fiber Mach-Zehnder interferometer (MZI) composed of a single-mode fiber (SMF), seven core fiber (SCF), and multimode fiber (MMF) with a fiber Bragg grating (FBG)

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作者:

Liu, Zhaojun (Liu, Zhaojun.) | Zhu, Lianqing (Zhu, Lianqing.) | Lu, Lidan (Lu, Lidan.) | 展开

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EI Scopus SCIE

摘要:

A compact optical fiber Mach-Zehnder interferometer (MZI) sensor is reported for temperature and strain. The MZI sensor consists of a single-mode fiber (SMF), a seven core fiber (SCF) and a multimode fiber (MMF) with a fiber Bragg grating (FBG). The intensity distribution of the sensor is calculated by the beam propagation method. The light is coupled from the lead-in SMF into the SCF through the MMF. The highest transmission efficiency was obtained when the length of MMF is 2 mm with a diameter of 105 mu m. The temperature sensitivity is up to 55.06 pm/degrees C from 130 degrees C to 250 degrees C, while the maximum extinction ratio was 27.4 dB. The measurements were divided into two intervals to address cross coupling to provide sensitive temperature and strain measurements.

关键词:

fiber Bragg grating (FBG) Mach-Zehnder interferometer (MZI) seven core fiber (SCF) temperature and strain Fiber optic sensor multimode fiber (MMF)

作者机构:

  • [ 1 ] [Liu, Zhaojun]Changchun Univ Sci & Technol, Sch Electroopt Engn, Changchun 130022, Peoples R China
  • [ 2 ] [Wang, Jinsong]Changchun Univ Sci & Technol, Sch Electroopt Engn, Changchun 130022, Peoples R China
  • [ 3 ] [Zhu, Lianqing]Beijing Informat Sci & Technol Univ, Beijing Lab Opt Fiber Sensing & Syst, Beijing 100192, Peoples R China
  • [ 4 ] [Zhang, Dongliang]Beijing Informat Sci & Technol Univ, Beijing Lab Opt Fiber Sensing & Syst, Beijing 100192, Peoples R China
  • [ 5 ] [Lu, Lidan]Tianjin Univ, State Key Lab Precis Measurement Technol & Instru, Tianjin, Peoples R China
  • [ 6 ] [Shangguan, Chunmei]Beijing Univ Technol, Beijing, Peoples R China

通讯作者信息:

  • [Wang, Jinsong]Changchun Univ Sci & Technol, Sch Electroopt Engn, Changchun 130022, Peoples R China;;[Zhu, Lianqing]Beijing Informat Sci & Technol Univ, Beijing Lab Opt Fiber Sensing & Syst, Beijing 100192, Peoples R China

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来源 :

INSTRUMENTATION SCIENCE & TECHNOLOGY

ISSN: 1073-9149

年份: 2021

期: 4

卷: 49

页码: 457-469

1 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:87

JCR分区:4

被引次数:

WoS核心集被引频次: 5

SCOPUS被引频次: 8

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