A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature

Abhay K. Singh; Haiying Huang; Yupeng Zhu; Ming Han

doi:10.1115/SMASIS2016-9089

A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature

Abhay K. Singh, Haiying Huang, Yupeng Zhu, Ming Han

Electrical & Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this paper, we have introduced the bandwidth of a Tilted Fiber Bragg Grating (TFBG) as a measurand and combine it with the central Bragg wavelength to address its cross-sensitivity with temperature and strain. We have developed a method for coating the TFBG with a thermochromic material and characterized the coated TFBG sensor under temperature and strain variations. We observed that the spectral bandwidth is sensitive only to the temperature change while the central Bragg wavelength is sensitive to both the strain and temperature. Therefore, we can measure the temperature from the TFBG bandwidth alone and measure the strain from the TFBG central wavelength after compensating for temperature induced wavelength change.

Original language	English (US)
Title of host publication	Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring
Publisher	American Society of Mechanical Engineers
ISBN (Electronic)	9780791850480
DOIs	https://doi.org/10.1115/SMASIS2016-9089
State	Published - 2016
Event	ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016 - Stowe, United States Duration: Sep 28 2016 → Sep 30 2016

Publication series

Name	ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016
Volume	1

Other

Other	ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016
Country/Territory	United States
City	Stowe
Period	9/28/16 → 9/30/16

ASJC Scopus subject areas

Building and Construction
Civil and Structural Engineering
Control and Systems Engineering
Mechanics of Materials

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10.1115/SMASIS2016-9089

Cite this

Singh, A. K., Huang, H., Zhu, Y., & Han, M. (2016). A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature. In Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring Article V001T05A012 (ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016; Vol. 1). American Society of Mechanical Engineers. https://doi.org/10.1115/SMASIS2016-9089

A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature. / Singh, Abhay K.; Huang, Haiying; Zhu, Yupeng et al.
Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring. American Society of Mechanical Engineers, 2016. V001T05A012 (ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Singh, AK, Huang, H, Zhu, Y & Han, M 2016, A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature. in Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring., V001T05A012, ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016, vol. 1, American Society of Mechanical Engineers, ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016, Stowe, United States, 9/28/16. https://doi.org/10.1115/SMASIS2016-9089

Singh AK, Huang H, Zhu Y, Han M. A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature. In Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring. American Society of Mechanical Engineers. 2016. V001T05A012. (ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016). doi: 10.1115/SMASIS2016-9089

Singh, Abhay K. ; Huang, Haiying ; Zhu, Yupeng et al. / A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature. Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring. American Society of Mechanical Engineers, 2016. (ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016).

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abstract = "In this paper, we have introduced the bandwidth of a Tilted Fiber Bragg Grating (TFBG) as a measurand and combine it with the central Bragg wavelength to address its cross-sensitivity with temperature and strain. We have developed a method for coating the TFBG with a thermochromic material and characterized the coated TFBG sensor under temperature and strain variations. We observed that the spectral bandwidth is sensitive only to the temperature change while the central Bragg wavelength is sensitive to both the strain and temperature. Therefore, we can measure the temperature from the TFBG bandwidth alone and measure the strain from the TFBG central wavelength after compensating for temperature induced wavelength change.",

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N2 - In this paper, we have introduced the bandwidth of a Tilted Fiber Bragg Grating (TFBG) as a measurand and combine it with the central Bragg wavelength to address its cross-sensitivity with temperature and strain. We have developed a method for coating the TFBG with a thermochromic material and characterized the coated TFBG sensor under temperature and strain variations. We observed that the spectral bandwidth is sensitive only to the temperature change while the central Bragg wavelength is sensitive to both the strain and temperature. Therefore, we can measure the temperature from the TFBG bandwidth alone and measure the strain from the TFBG central wavelength after compensating for temperature induced wavelength change.

AB - In this paper, we have introduced the bandwidth of a Tilted Fiber Bragg Grating (TFBG) as a measurand and combine it with the central Bragg wavelength to address its cross-sensitivity with temperature and strain. We have developed a method for coating the TFBG with a thermochromic material and characterized the coated TFBG sensor under temperature and strain variations. We observed that the spectral bandwidth is sensitive only to the temperature change while the central Bragg wavelength is sensitive to both the strain and temperature. Therefore, we can measure the temperature from the TFBG bandwidth alone and measure the strain from the TFBG central wavelength after compensating for temperature induced wavelength change.

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A single fiber Bragg grating sensor for the simultaneous measurement of strain and temperature

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