Identical broadband chirped grating interrogation technique for temperature and strain sensing

R.w. Fallon; L. Zhang; A. Gloag; I. Bennion

doi:10.1049/el:19970486

Identical broadband chirped grating interrogation technique for temperature and strain sensing

R.w. Fallon, L. Zhang, A. Gloag, I. Bennion

Research output: Contribution to journal › Article › peer-review

Abstract

The authors propose a simple, low-cost technique for the interrogation of fibre Bragg grating (FBG) sensors. The induced mismatch between two identical broadband fibre chirped gratings is used to provide a mechanism for measuring changes in strain/temperature associated with one grating. A linear relationship with detected optical power is seen, with a 10 nm chirp rate facilitating sensing ranges up to 9000 µɛ and 750°C for strain and temperature change, respectively.

Original language	English
Pages (from-to)	705-707
Journal	Electronics letters
Volume	33
Issue number	8
DOIs	https://doi.org/10.1049/el:19970486
Publication status	Published - 10 Apr 1997

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title = "Identical broadband chirped grating interrogation technique for temperature and strain sensing",

abstract = "The authors propose a simple, low-cost technique for the interrogation of fibre Bragg grating (FBG) sensors. The induced mismatch between two identical broadband fibre chirped gratings is used to provide a mechanism for measuring changes in strain/temperature associated with one grating. A linear relationship with detected optical power is seen, with a 10 nm chirp rate facilitating sensing ranges up to 9000 µɛ and 750°C for strain and temperature change, respectively.",

author = "R.w. Fallon and L. Zhang and A. Gloag and I. Bennion",

year = "1997",

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AU - Fallon, R.w.

AU - Zhang, L.

AU - Gloag, A.

AU - Bennion, I.

PY - 1997/4/10

Y1 - 1997/4/10

N2 - The authors propose a simple, low-cost technique for the interrogation of fibre Bragg grating (FBG) sensors. The induced mismatch between two identical broadband fibre chirped gratings is used to provide a mechanism for measuring changes in strain/temperature associated with one grating. A linear relationship with detected optical power is seen, with a 10 nm chirp rate facilitating sensing ranges up to 9000 µɛ and 750°C for strain and temperature change, respectively.

AB - The authors propose a simple, low-cost technique for the interrogation of fibre Bragg grating (FBG) sensors. The induced mismatch between two identical broadband fibre chirped gratings is used to provide a mechanism for measuring changes in strain/temperature associated with one grating. A linear relationship with detected optical power is seen, with a 10 nm chirp rate facilitating sensing ranges up to 9000 µɛ and 750°C for strain and temperature change, respectively.

UR - https://digital-library.theiet.org/content/journals/10.1049/el_19970486

U2 - 10.1049/el:19970486

DO - 10.1049/el:19970486

M3 - Article

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VL - 33

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EP - 707

JO - Electronics letters

JF - Electronics letters

IS - 8

ER -

Identical broadband chirped grating interrogation technique for temperature and strain sensing

Abstract

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