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Sensors and Microsystems pp 241–245Cite as

Cascaded LPG and FBG Integrated in a Miniaturized Flow Cell for Compensated Refractometric Measurement

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 109))

Abstract

The present paper describes the design and characterization of a thermo-stabilized flow cell for accurate refractive index (RI) measurements using a long period grating (LPG)-based sensor and a methodology to measure and correct all the LPG cross-sensitivity. A fiber Bragg grating (FBG) written on the same fiber in series with the LPG and an accurate measuring system of the temperature are used in order to minimize the interferences coming from temperature and strain changes. The experimental results show that the proposed system provides good performance as far as the RI sensitivity and resolution are concerned. The maximum RI sensitivity and resolution are around 1.455 RIU and the values are 3,120nm/RIU and 2 x 10−5 RIU, respectively.

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References

  1. James SW, Tatam RP (2003) Optical fibre long-period grating sensors: characteristics and application. Meas Sci Technol 14:R49–R61

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Author information

Authors and Affiliations

  1. Department of Information Engineering, University of Siena, Siena, Italy

    Francesco Chiavaioli & Marco Mugnaini

  2. Institute of Applied Physics “Nello Carrara”, National Research Council of Italy, Sesto Fiorentino, FI, Italy

    Cosimo Trono, Francesco Baldini & Massimo Brenci

Authors
  1. Francesco Chiavaioli
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  2. Marco Mugnaini
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  3. Cosimo Trono
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  4. Francesco Baldini
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  5. Massimo Brenci
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Corresponding author

Correspondence to Francesco Chiavaioli .

Editor information

Editors and Affiliations

  1. University of Rome Tor Vergata, Rome, Italy

    Arnaldo D’Amico

  2. University of Rome Tor Vergata, Rome, Italy

    Corrado Di Natale

  3. Technologies, Energy and the Environment, ENEA, Italian National Agency for New, Rome, Italy

    Lucia Mosiello

  4. Technologies, Energy and the Environment, ENEA, Italian National Agency for New, Rome, Italy

    Giovanna Zappa

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© 2012 Springer Science+Business Media, LLC

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Chiavaioli, F., Mugnaini, M., Trono, C., Baldini, F., Brenci, M. (2012). Cascaded LPG and FBG Integrated in a Miniaturized Flow Cell for Compensated Refractometric Measurement. In: D’Amico, A., Di Natale, C., Mosiello, L., Zappa, G. (eds) Sensors and Microsystems. Lecture Notes in Electrical Engineering, vol 109. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-0935-9_41

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  • DOI: https://doi.org/10.1007/978-1-4614-0935-9_41

  • Published:

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4614-0934-2

  • Online ISBN: 978-1-4614-0935-9

  • eBook Packages: EngineeringEngineering (R0)

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