QUASI-DISTRIBUTED NETWORK OF LOW-COHERENCE FIBER-OPTIC FABRY-PÉROT SENSORS WITH CAVITY LENGTH-BASED ADDRESSING - Publication - Bridge of Knowledge

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QUASI-DISTRIBUTED NETWORK OF LOW-COHERENCE FIBER-OPTIC FABRY-PÉROT SENSORS WITH CAVITY LENGTH-BASED ADDRESSING

Abstract

Distributed measurement often relies on sensor networks. In this paper, we present the construction of low coherent fiber-optic Fabry-Pérot sensors connected into a quasi-distributed network. We discuss the mechanism of spectrum modulation in this type of sensor and the constraints of assembly of such sensors in the network. Particular attention was paid to separate the signals from individual sensors, which can be achieved by cavity length-based addressing. We designed and built a laboratory model of a temperature sensors network. The employed sensors are lowcoherence Fabry-Pérot interferometric sensors in fiber-optics configuration. The extrinsic sensor cavity utilizes the thermal expansion of ceramics, and the sensors are addressed by the different lengths of the cavities. The obtained test results show that the signal components from each sensor can be successfully separated, and the number of sensors could be expanded depending on the FWHM of the light source

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
Metrology and Measurement Systems no. 28, pages 289 - 305,
ISSN: 0860-8229
Language:
English
Publication year:
2021
Bibliographic description:
Karpienko K., Marzejon M., Mazikowski A., Pluciński J.: QUASI-DISTRIBUTED NETWORK OF LOW-COHERENCE FIBER-OPTIC FABRY-PÉROT SENSORS WITH CAVITY LENGTH-BASED ADDRESSING// Metrology and Measurement Systems -Vol. 28,iss. 2 (2021), s.289-305
DOI:
Digital Object Identifier (open in new tab) 10.24425/mms.2021.136608
Sources of funding:
  • Statutory activity/subsidy
Verified by:
Gdańsk University of Technology

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