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Multipoint and Multi-physical Quantity Sensing by Multimode Fiber with Demodulation of Deep Learning

  • Miaofeng Fu
  • , Jun Zheng
  • , Shenyi Liu
  • , Yunxu Sun*
  • , Wei Liu*
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A multimode fiber (MMF) speckle sensor based on deep learning is demonstrated for sensing multi-physical quantity at different position. The mode fields at the end of MMF compose speckle patterns, which are sensitive to the various types of disturbing with different manners. Further, the MMF also carry numerous information, which make it possible sensing different physical quantity at different points in just one MMF. Here, it is demonstrated to sense stretching, bending, and temperature in a MMF of 0.5m by the deep learning methods. Its stretching precision is up to 0.005mm with the U-Net.

Original languageEnglish
Title of host publication2023 21st International Conference on Optical Communications and Networks, ICOCN 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350343502
DOIs
StatePublished - 2023
Externally publishedYes
Event21st International Conference on Optical Communications and Networks, ICOCN 2023 - Qufu, China
Duration: 31 Jul 20233 Aug 2023

Publication series

Name2023 21st International Conference on Optical Communications and Networks, ICOCN 2023

Conference

Conference21st International Conference on Optical Communications and Networks, ICOCN 2023
Country/TerritoryChina
CityQufu
Period31/07/233/08/23

Keywords

  • Fiber speckle sensor
  • deep Learning
  • micrometer sensor
  • speckle

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