Sampled fibre Bragg grating sensors for simultaneous strain and temperature measurement
Sampled fibre Bragg grating sensors for simultaneous strain and temperature measurement
- Author(s): O. Frazão ; R. Romero ; G. Rego ; P.V.S. Marques ; H.M. Salgado ; J.L. Santos
- DOI: 10.1049/el:20020510
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- Author(s): O. Frazão 1 ; R. Romero 1, 2 ; G. Rego 1, 2, 3 ; P.V.S. Marques 1, 4 ; H.M. Salgado 1, 2 ; J.L. Santos 1, 4
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View affiliations
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Affiliations:
1: INESC-Porto, Porto, Portugal
2: Faculdade de Engenharia da Universidade do Porto, Porto, Portugal
3: Escola Superior de Tecnologia e Gestão-Instituto Politénico de Viana do Castelo, Viana do Castelo, Portugal
4: Faculdade de Ciências da Universidade do Porto, Porto, Portugal
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Affiliations:
1: INESC-Porto, Porto, Portugal
- Source:
Volume 38, Issue 14,
4 July 2002,
p.
693 – 695
DOI: 10.1049/el:20020510 , Print ISSN 0013-5194, Online ISSN 1350-911X
A new scheme is presented for simultaneous measurement of strain and temperature using a sampled fibre Bragg grating based on a long period structure written using the electric arc technique. The temperature and strain measurement resolutions are estimated to be±0.50°C/√Hz and ±3.38 µɛ/√Hz, respectively.
Inspec keywords: fibre optic sensors; strain measurement; Bragg gratings; strain sensors; temperature sensors; temperature measurement
Other keywords: long period structure; sampled fibre Bragg grating; electric arc technique; strain measurement; FBG-based sensors; temperature measurement; simultaneous measurement; fibre Bragg grating sensors
Subjects: Fibre optic sensors; Thermometry; Thermal variables measurement; Fibre optic sensors; fibre gyros; Measurement of mechanical variables; Mechanical variables measurement; Gratings, echelles
References
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