An all-fibre multi-parameter sensor for composite structures based on a chirped fibre Bragg grating

• Autorzy: Zhan Y. , Yang F. , Gu K. , Wu H. , Yu M. , Li L.

Identyfikatory

DOI

10.2478/s11772-013-0092-8

• Języki publikacji: EN

Abstrakty

EN

An all-fibre multi-parameter sensor for composite structures based on a chirped optical fibre Bragg grating (CFBG) has been studied theoretically and experimentally. The principle of multi-parameters sensing with a single CFBG is based on that the centre wavelength and the FWHM (full width at half maximum) in the reflection spectrum of a CFBG vary linearly with the temperature and/or the axial stress. A wavelength matched optical fibre long period grating (LPG) and another wavelength matched reference CFBG (CFBGR) have been used to interrogate the signal of the sensor CFBG (CFBGS). The temperature and strain of the composite structure have been monitored real-time with one CFBG as a single sensor head. The temperature resolution of 0.12ºC and the strain resolution of 1.1με for a composite structure have been realized in experiments. The experiment results agree well with the theoretical analyses.

Słowa kluczowe

EN

optical fibre multi-parameter sensor; chirped fibre Bragg grating; composite structure; temperature; strain

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2013
• Tom: Vol. 21, No. 3
• Strony: 283--287
• Opis fizyczny: Bibliogr. 13 poz., wykr.

Twórcy

autor

Zhan Y.

• State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Donghua University, 2999 North Remin Rd., Songjiang District, Shanghai 201602, China

autor

Yang F.

• State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Donghua University, 2999 North Remin Rd., Songjiang District, Shanghai 201602, China

autor

Gu K.

• State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Donghua University, 2999 North Remin Rd., Songjiang District, Shanghai 201602, China

autor

Wu H.

• State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Donghua University, 2999 North Remin Rd., Songjiang District, Shanghai 201602, China

autor

Yu M.

• State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Donghua University, 2999 North Remin Rd., Songjiang District, Shanghai 201602, China

autor

Li L.

• State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Donghua University, 2999 North Remin Rd., Songjiang District, Shanghai 201602, China

Bibliografia

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