Amplified spontaneous emission-based technique for simultaneous measurement of temperature and strain by combining active fiber with fiber gratings

Y.C. Lai, F. Qiu, W. Zhang, L Zhang, I Bennion, K.T.V. Grattan

Research output: Contribution to journalArticle

Abstract

This article reports on an optical fiber-based sensing system for carrying out the simultaneous measurement of temperature and strain. The sensor design is based on the combination of active dopedoptical fiber and fiber gratings. Erbium/ytterbium co-doped fiber is used to meet the requirements for both high temperature responsivity and small sensor size to address smart structure applications. The temperature dependence of the amplified spontaneous emission power under different pump wavelengths is used as the basis of the sensor and an optical reference to enhance the measurement resolution is discussed. The feasibility of this technique for simultaneous measurement of temperature and strain is demonstrated.
Original languageEnglish
Pages (from-to)3369-3372
Number of pages4
JournalReview of scientific instruments
Volume73
Issue number9
DOIs
Publication statusPublished - Sep 2002

Fingerprint

Spontaneous emission
spontaneous emission
gratings
fibers
Fibers
sensors
Sensors
smart structures
ytterbium
Temperature
erbium
Intelligent structures
Ytterbium
temperature
Erbium
optical fibers
pumps
Optical fibers
requirements
temperature dependence

Bibliographical note

© 2002 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Review of Scientific Instruments 73, 3369 (2002) and may be found at https://doi.org/10.1063/1.1499758.

Cite this

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abstract = "This article reports on an optical fiber-based sensing system for carrying out the simultaneous measurement of temperature and strain. The sensor design is based on the combination of active dopedoptical fiber and fiber gratings. Erbium/ytterbium co-doped fiber is used to meet the requirements for both high temperature responsivity and small sensor size to address smart structure applications. The temperature dependence of the amplified spontaneous emission power under different pump wavelengths is used as the basis of the sensor and an optical reference to enhance the measurement resolution is discussed. The feasibility of this technique for simultaneous measurement of temperature and strain is demonstrated.",
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Amplified spontaneous emission-based technique for simultaneous measurement of temperature and strain by combining active fiber with fiber gratings. / Lai, Y.C.; Qiu, F.; Zhang, W.; Zhang, L; Bennion, I; Grattan, K.T.V.

In: Review of scientific instruments, Vol. 73, No. 9, 09.2002, p. 3369-3372.

Research output: Contribution to journalArticle

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T1 - Amplified spontaneous emission-based technique for simultaneous measurement of temperature and strain by combining active fiber with fiber gratings

AU - Lai, Y.C.

AU - Qiu, F.

AU - Zhang, W.

AU - Zhang, L

AU - Bennion, I

AU - Grattan, K.T.V.

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