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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:
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- Statutory activity/subsidy
- Verified by:
- Gdańsk University of Technology
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