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<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Amplitude and Phase Drift Correction of EFPI Sensor Systems using both Adaptive Kalman Filter and Temperature Compensation for Nanometric Displacement Estimation,</title>
<creator>Chawah, P.</creator>
<creator>Sourice, A.</creator>
<creator>Plantier, G.</creator>
<creator>Seat, H. C.</creator>
<creator>Boudin, F.</creator>
<creator>Chery, J.</creator>
<creator>Cattoen, M.</creator>
<creator>Bernard, P.</creator>
<creator>Brunet, C.</creator>
<creator>Gaffet, S.</creator>
<creator>Boyer, D.</creator>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire Souterrain à Bas Bruit (LSBB) ; Centre National de la Recherche Scientifique (CNRS) - Observatoire de la Côte d'Azur - Aix Marseille Université (AMU) - Université d'Avignon et des Pays de Vaucluse (UAPV) - Université Nice Sophia Antipolis (UNS) ; Université Côte d'Azur (UCA) - Université Côte d'Azur (UCA)</contributor>
<contributor>Géoazur (GEOAZUR) ; Université Pierre et Marie Curie - Paris 6 (UPMC) - Université Nice Sophia Antipolis (UNS) ; Université Côte d'Azur (UCA) - Université Côte d'Azur (UCA) - Institut national des sciences de l'Univers (INSU - CNRS) - Observatoire de la Côte d'Azur - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0733-8724</source>
<source>EISSN: 1558-2213</source>
<source>Journal of Lightwave Technology</source>
<publisher>Institute of Electrical and Electronics Engineers (IEEE)/Optical Society of America(OSA)</publisher>
<identifier>hal-00876339</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00876339</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00876339</source>
<source>Journal of Lightwave Technology, Institute of Electrical and Electronics Engineers (IEEE)/Optical Society of America(OSA), 2012, 30 (13), pp.2195-2202. 〈10.1109/JLT.2012.2194476〉</source>
<identifier>DOI : 10.1109/JLT.2012.2194476</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1109/JLT.2012.2194476</relation>
<language>en</language>
<subject lang=en>Kalman filter</subject>
<subject lang=en>EFPI sensors</subject>
<subject lang=en>nanometric displacement estimation</subject>
<subject lang=en>parameters tracking</subject>
<subject lang=en>ellipse fitting</subject>
<subject lang=en>drift correction</subject>
<subject lang=en>temperature transfer operator</subject>
<subject lang=en>differential measurements</subject>
<subject>[SDU.STU] Sciences of the Universe [physics]/Earth Sciences</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Nanometric displacement measurements by Extrinsic Fiber Fabry-Perot interferometers (EFPI) is extremely susceptible to external environmental changes. Temperature, in particular, has a remarkable influence on the optical power and wavelength of the laser diode in use, in addition to the thermal expansion of the mechanical structure. In this paper we propose an optimization of the EFPI sensor in order to use it for very long-term (more than one year) and for high-precision displacement measurements. For this purpose, a real time and adaptive estimation procedure based on a homodyne technique and a Kalman filter is established. During a sinusoidal laser diode current modulation, the Kalman filter provides a correction of the amplitude drift caused by the resultant optical power modulation and external perturbations. Besides, stationary temperature transfer operators are estimated via experimental measurements to reduce the additive thermal noise induced in the optical phase and mechanical components.</description>
<date>2012-07-01</date>
</dc>
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