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A research of multimode microbending optical fiber pressure sensors based on different gasket structure

  • Shu Hua Mo
  • , Dong Yu
  • , Guo Xing Wang
  • , Li Xue Wang
  • Heilongjiang Institute of Technology
  • School of Mechatronics Engineering, Harbin Institute of Technology

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

Abstract

Microbending optical fiber pressure sensor is designed with the sensing unit based on multimode fiber in this paper. It consists of the pressure gasket, the microbending regulator and the metal clamp with fine adjustment structure. The measuring range of the sensor could be adjusted by choosing different gasket. When pressure acts on the fixture, a little displacement may occur, and luminous flux of the fiber will be lost after going through microbending part. According to the principle of light field detection, the pressure measurement can be achieved by detecting the loss of light intensity caused by different load. The basic structure of the sensor and its sensing mechanism are well introduced in this paper. In addition, for improving the effectiveness of the Microbending optical fiber pressure sensors, we set up mechanical zero adjustment and the maximal displacement limitation in order to avoid sensor breakdown caused by excess displacement.

Original languageEnglish
Title of host publicationTechnologies in Materials Science, Design and Manufacturing
PublisherTrans Tech Publications
Pages227-230
Number of pages4
ISBN (Print)9783038351337
DOIs
StatePublished - 2014
Externally publishedYes
Event2nd International Conference on Mechanics, Dynamic Systems and Material Engineering, MDSME 2014 - Guangzhou, China
Duration: 24 May 201425 May 2014

Publication series

NameAdvanced Materials Research
Volume952
ISSN (Print)1022-6680

Conference

Conference2nd International Conference on Mechanics, Dynamic Systems and Material Engineering, MDSME 2014
Country/TerritoryChina
CityGuangzhou
Period24/05/1425/05/14

Keywords

  • Gasket
  • Microbending sensor
  • Optical fiber
  • Pressure

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