Strain and curvature-independent temperature sensor based on an interferometer taper fabricated with a CO2 laser

• Tipo: Artigo em Revista Científica Internacional
• Data: 2016

Autores

Martins, TJM (Autor) Outra; marques, mb (Autor) FCUP; Frazao, O (Autor) FCUP

Revista

Título: Microwave and Optical Technology Letters

Vol. 58

Páginas: 688-691

ISSN: 0895-2477

Editora: Wiley-Blackwell

Indexação

ISI Web of Knowledge - 0 Citações

Scopus - 1 Citação

Outras Informações

ID Authenticus: P-00K-4WG

DOI: 10.1002/mop.29640

Abstract (EN): An optical fiber interferometer taper fabricated with a CO2 laser is proposed for strain and curvature-independent temperature measurement. Variations in temperature produce changes in the conditions of the interference between light traveling along the core and cladding and a linear behavior is verified for the relation between the wavelength of the resonant loss peak and temperature, yielding a sensitivity of 110 pm/degrees C for a range between 25 and 510 degrees C. Both the applied strain and curvature only promote significant changes in the transmitted power, leaving the wavelength of the resonant loss peak approximately constant and rendering this optical sensing device a good strain and curvature-independent temperature sensor. (c) 2016 Wiley Periodicals, Inc.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 4