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Pico-strain measurement using optimised fibre Fabry-Perot sensor system with reference wavelength.

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Title: Pico-strain measurement using optimised fibre Fabry-Perot sensor system with reference wavelength.
Authors: Niu, S.L.1 liusiliang12345@yahoo.com.cn, Rao, W.1, Liang, X.1, Hu, Y.M.1
Source: Electronics Letters (Institution of Engineering & Technology). 8/18/2011, Vol. 47 Issue 17, p969-970. 2p. 1 Diagram, 2 Graphs.
Subjects: Mathematical optimization, Bragg gratings, Fabry-Perot interferometers, Signal-to-noise ratio, Wavelengths, Sensor networks
Abstract: The optimisation of noise properties is demonstrated in an interferometric fibre Bragg grating defined Fabry-Perot sensor system. The signal-to-noise ratio is maximised by matching the spectra of the two gratings and the path length differences of the two tandem interferometers. The environmental effects on the interrogation interferometer are monitored with a reference wavelength. A phase resolution close to the theoretical noise limit of -85 dB above 60 Hz is achieved with a corresponding strain resolution of 1.52 pℇ/Hz1/2 using a 4 m-long cavity. [ABSTRACT FROM AUTHOR]
Copyright of Electronics Letters (Institution of Engineering & Technology) is the property of Institution of Engineering & Technology and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 64459142
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  Data: Pico-strain measurement using optimised fibre Fabry-Perot sensor system with reference wavelength.
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  Data: <searchLink fieldCode="AR" term="%22Niu%2C+S%2EL%2E%22">Niu, S.L.</searchLink><relatesTo>1</relatesTo><i> liusiliang12345@yahoo.com.cn</i><br /><searchLink fieldCode="AR" term="%22Rao%2C+W%2E%22">Rao, W.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Liang%2C+X%2E%22">Liang, X.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hu%2C+Y%2EM%2E%22">Hu, Y.M.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Electronics+Letters+%28Institution+of+Engineering+%26+Technology%29%22">Electronics Letters (Institution of Engineering & Technology)</searchLink>. 8/18/2011, Vol. 47 Issue 17, p969-970. 2p. 1 Diagram, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Mathematical+optimization%22">Mathematical optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Bragg+gratings%22">Bragg gratings</searchLink><br /><searchLink fieldCode="DE" term="%22Fabry-Perot+interferometers%22">Fabry-Perot interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Signal-to-noise+ratio%22">Signal-to-noise ratio</searchLink><br /><searchLink fieldCode="DE" term="%22Wavelengths%22">Wavelengths</searchLink><br /><searchLink fieldCode="DE" term="%22Sensor+networks%22">Sensor networks</searchLink>
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  Data: The optimisation of noise properties is demonstrated in an interferometric fibre Bragg grating defined Fabry-Perot sensor system. The signal-to-noise ratio is maximised by matching the spectra of the two gratings and the path length differences of the two tandem interferometers. The environmental effects on the interrogation interferometer are monitored with a reference wavelength. A phase resolution close to the theoretical noise limit of -85 dB above 60 Hz is achieved with a corresponding strain resolution of 1.52 pℇ/Hz1/2 using a 4 m-long cavity. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Electronics Letters (Institution of Engineering & Technology) is the property of Institution of Engineering & Technology and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1049/el.2011.1901
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        Text: English
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      – SubjectFull: Bragg gratings
        Type: general
      – SubjectFull: Fabry-Perot interferometers
        Type: general
      – SubjectFull: Signal-to-noise ratio
        Type: general
      – SubjectFull: Wavelengths
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      – SubjectFull: Sensor networks
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      – TitleFull: Pico-strain measurement using optimised fibre Fabry-Perot sensor system with reference wavelength.
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              Text: 8/18/2011
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              Y: 2011
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