<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0370-3908</journal-id>
<journal-title><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. acad. colomb. cienc. exact. fis. nat.]]></abbrev-journal-title>
<issn>0370-3908</issn>
<publisher>
<publisher-name><![CDATA[Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0370-39082018000200182</article-id>
<article-id pub-id-type="doi">10.18257/raccefyn.608</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Specklegramas de fibra óptica analizados mediante procesamiento digital de imágenes]]></article-title>
<article-title xml:lang="en"><![CDATA[Fiber specklegram sensor analysis by digital image processing]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[Luis C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castaño]]></surname>
<given-names><![CDATA[Luis F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quijano]]></surname>
<given-names><![CDATA[Jairo C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Ramírez]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hoyos]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Da-Silva-Nunez]]></surname>
<given-names><![CDATA[Luiz C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vélez]]></surname>
<given-names><![CDATA[Francisco J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aristizabal]]></surname>
<given-names><![CDATA[Victor H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Politécnico Colombiano Jaime Isaza Cadavid Grupo de investigación de Física Básica y Aplicada ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad de Ingenierías ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Federal Fluminense Departamento de Ingeniería Mecánica ]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Cooperativa de Colombia Grupo de Investigación TERMOMEC ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>42</volume>
<numero>163</numero>
<fpage>182</fpage>
<lpage>188</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0370-39082018000200182&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0370-39082018000200182&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0370-39082018000200182&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los sensores basados en el análisis de la distribución de intensidades del patrón de interferencia modal a la salida de una fibra óptica son conocidos como sensores ópticos basados en specklegramas de fibra óptica (Fiber Specklegram Sensors, FSSs). En este trabajo se muestran los specklegramas, simulados numéricamente mediante el método de los elementos finitos, de una fibra óptica Thorlabs 1550BHP perturbada mecánicamente, y se hace uso de la información global o de regiones del specklegrama mediante el procesamiento digital de imágenes a través de un análisis de correlación. Los resultados muestran como la correlación entre imágenes se puede usar como valor de cuantificación para la medición de fuerzas, y cómo la división del patrón por zonas de interés puede mejorar las características metrológicas del sensor.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Fiber Specklegram Sensors (FSSs) are sensors based on the analysis of specklegrams, i.e., the intensity distribution of the modal interference pattern at the output of an optical fiber. By using a finite element method, this work shows numerically simulated specklegrams of an optical fiber Thorlabs 1550BHP under a mechanical perturbation. We employ digital image correlation to analyze the behavior of these specklegrams with different applied forces. The image correlation analysis is applied over the whole specklegram or over selected regions. The results show that the correlation between images is a suitable quantifier of the applied force. We also show that the analysis of selected regions improves the metrological parameters of these sensors.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Specklegramas de fibra óptica]]></kwd>
<kwd lng="es"><![CDATA[Perturbaciones físicas]]></kwd>
<kwd lng="es"><![CDATA[Sensores de fibra óptica]]></kwd>
<kwd lng="es"><![CDATA[Simulación numérica]]></kwd>
<kwd lng="en"><![CDATA[Fiber Specklegram Sensors]]></kwd>
<kwd lng="en"><![CDATA[Physical Perturbations]]></kwd>
<kwd lng="en"><![CDATA[Optical Fiber sensors]]></kwd>
<kwd lng="en"><![CDATA[Numerical simulation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aristizabal]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoyos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rueda]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[N. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of wavelength on metrological characteristics of non-holographic fiber specklegram sensor]]></article-title>
<source><![CDATA[Photonic Sensors]]></source>
<year>2015</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arístizabal]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Vélez]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rueda]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[N. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Numerical modeling of fiber specklegram sensors by using finite element method (FEM)]]></article-title>
<source><![CDATA[Optics Express]]></source>
<year>2016</year>
<volume>24</volume>
<numero>24</numero>
<issue>24</issue>
<page-range>27225-38</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aristizabal]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Velez]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Numerical model and analysis of optical fibers with internal electrodes]]></article-title>
<source><![CDATA[Revista Colombiana de Física]]></source>
<year>2006</year>
<volume>38</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>173-6</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aristizabal]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Vélez]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Modeling of photonic crystal fibers with the Scalar Finite Element Method]]></source>
<year>2004</year>
<volume>5622</volume>
<conf-name><![CDATA[ Proceedings of SPIE]]></conf-name>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aristizabal]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Vélez]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Scalar solution and polarization correction]]></surname>
<given-names><![CDATA[Analysis of photonic crystal fibers:]]></given-names>
</name>
</person-group>
<source><![CDATA[Optics Express]]></source>
<year>2006</year>
<volume>14</volume>
<numero>24</numero>
<issue>24</issue>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Crammond]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Boyd]]></surname>
<given-names><![CDATA[S. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Dulieu-Barton]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Speckle pattern quality assessment for digital image correlation]]></article-title>
<source><![CDATA[Optics and Lasers in Engineering]]></source>
<year>2013</year>
<volume>51</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1368-78</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Darío Gómez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of the speckle size on non-holographic fiber specklegram sensors]]></article-title>
<source><![CDATA[Optics and Lasers in Engineering]]></source>
<year>2013</year>
<volume>51</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1291-5</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Efendioglu]]></surname>
<given-names><![CDATA[H. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Review of Fiber-Optic Modal Modulated Sensors: Specklegram and Modal Power Distribution Sensing]]></article-title>
<source><![CDATA[IEEE Sensors Journal]]></source>
<year>2017</year>
<volume>17</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>2055-64</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fujiwara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Marques dos Santos]]></surname>
<given-names><![CDATA[M. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Suzuki]]></surname>
<given-names><![CDATA[C. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optical fiber specklegram sensor analysis by speckle pattern division]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>2017</year>
<volume>56</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1585</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fujiwara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Y. T.]]></given-names>
</name>
<name>
<surname><![CDATA[dos Santos]]></surname>
<given-names><![CDATA[M. F. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Schenkel]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Suzuki]]></surname>
<given-names><![CDATA[C. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development of a tactile sensor based on optical fiber specklegram analysis and sensor data fusion technique]]></article-title>
<source><![CDATA[Sensors and Actuators A: Physical]]></source>
<year>2017</year>
<volume>263</volume>
<page-range>677-86</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fujiwara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Y. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Suzuki]]></surname>
<given-names><![CDATA[C. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vibration-based specklegram fiber sensor for measurement of properties of liquids]]></article-title>
<source><![CDATA[Optics and Lasers in Engineering]]></source>
<year>2012</year>
<volume>50</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1726-30</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gasvik]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Optical Metrology]]></source>
<year>2002</year>
<edition>3rd ed.</edition>
<publisher-loc><![CDATA[Chichester, England ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley &amp; Sons Ltd.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gianino]]></surname>
<given-names><![CDATA[P. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bendow]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calculations of stressinduced changes in the transverse refractive-index profile of optical fibers]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>1981</year>
<volume>20</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>430</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lorduy]]></surname>
<given-names><![CDATA[G. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Improvement of the dynamic range of a fiber speckleg\ram sensor based on volume speckle recording in photorefractive materials]]></article-title>
<source><![CDATA[Optics and Lasers in Engineering]]></source>
<year>2011</year>
<volume>49</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>473-80</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lorduy]]></surname>
<given-names><![CDATA[G. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of the volume speckle on fiber specklegram sensors based on four-wave mixing in photorefractive materials]]></article-title>
<source><![CDATA[Optics Communications]]></source>
<year>2011</year>
<volume>284</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1008-14</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Self-correlation fiber specklegram sensor using volume characteristics of speckle patterns]]></article-title>
<source><![CDATA[Optics and Lasers in Engineering]]></source>
<year>2012</year>
<volume>50</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>812-5</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gubarev]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Klenovskii]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Glotov]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Speckle pattern processing by digital image correlation]]></article-title>
<source><![CDATA[MATEC Web of Conferences]]></source>
<year>2016</year>
<volume>48</volume>
<page-range>4003</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hung]]></surname>
<given-names><![CDATA[Y. Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Displacement and strain measurement]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Erf]]></surname>
<given-names><![CDATA[R. K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Speckle metrology]]></source>
<year>1978</year>
<page-range>51-71</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Varshney]]></surname>
<given-names><![CDATA[R. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Antony C]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Transmission characteristics of SMS fiber optic sensor structures]]></article-title>
<source><![CDATA[Optics Communications]]></source>
<year>2003</year>
<volume>219</volume>
<numero>1-6</numero>
<issue>1-6</issue>
<page-range>215-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cai]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Geng]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Qu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Fang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Specklegram in a multiple-mode fiber and its dependence on longitudinal modes of the laser source]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>2007</year>
<volume>46</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>3572</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Low-cost high-sensitivity strain and temperature sensing using graded-index multimode fibers]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>2007</year>
<volume>46</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>2516-9</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Malki]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gafsi]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Michel]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Labarrère]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lecoy]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact and vibration detection in composite materials by using intermodal interference in multimode optical fibers]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>1996</year>
<volume>35</volume>
<numero>25</numero>
<issue>25</issue>
<page-range>5198</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mase]]></surname>
<given-names><![CDATA[G. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Mase]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Continuum for Engineers]]></source>
<year>1999</year>
<edition>2 Ed</edition>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Wykes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Holographic and Speckle Interferometry]]></source>
<year>1989</year>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodriguez-Cobo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lomer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez-Higuera]]></surname>
<given-names><![CDATA[J.-M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fiber Specklegram-Multiplexed Sensor]]></article-title>
<source><![CDATA[Journal of Lightwave Technology]]></source>
<year>2015</year>
<volume>33</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>2591-7</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saleh]]></surname>
<given-names><![CDATA[B. E. a]]></given-names>
</name>
<name>
<surname><![CDATA[Teich]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentals of Photonics]]></source>
<year>1991</year>
<volume>5</volume>
<publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley &amp; Sons, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Aristizábal]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Andrés]]></surname>
<given-names><![CDATA[M. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modeling of photonic crystal fibers from the scalar wave equation with a purely transverse linearly polarized vector potential]]></article-title>
<source><![CDATA[Journal of the Optical Society of America B: Optical Physics]]></source>
<year>2011</year>
<volume>28</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical Sensing with Hetero-Core Fiber Specklegram]]></article-title>
<source><![CDATA[Journal of Holography and Speckle]]></source>
<year>2004</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-7</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A novel fiber chemical sensor using inner-product multimode fiber speckle fields]]></source>
<year>2003</year>
<conf-name><![CDATA[ Proceedings of SPIE]]></conf-name>
<conf-loc> </conf-loc>
<page-range>299</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Cai]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Qu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Fang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Marin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Meunier]]></surname>
<given-names><![CDATA[J.-P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Specklegram in a grapefruit fiber and its response to external mechanical disturbance in a single-multiple-single mode fiber structure]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>2008</year>
<volume>47</volume>
<numero>20</numero>
<issue>20</issue>
<page-range>3543</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sensing with fiber specklegrams]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>1991</year>
<volume>30</volume>
<numero>31</numero>
<issue>31</issue>
<page-range>4468</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wen]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Uang]]></surname>
<given-names><![CDATA[C.-M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Submicrometer displacement sensing using inner-product multimode fiber speckle fields]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>1993</year>
<volume>32</volume>
<numero>25</numero>
<issue>25</issue>
<page-range>4685</page-range><publisher-loc><![CDATA[10.1364/AO.32.004685 ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fiber Optic Sensors]]></source>
<year>2002</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Marcel Dekker, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application of a fiber-speckle hologram to fiber sensing]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>1994</year>
<volume>33</volume>
<numero>22</numero>
<issue>22</issue>
<page-range>5202</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[F. T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruffin]]></surname>
<given-names><![CDATA[P. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis of a fiber specklegram sensor by using coupled-mode theory]]></article-title>
<source><![CDATA[Applied Optics]]></source>
<year>1995</year>
<volume>34</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>3018</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Ansari]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fiber-optic laser speckleintensity crack sensor for embedment in concrete]]></article-title>
<source><![CDATA[Sensors and Actuators A: Physical]]></source>
<year>2006</year>
<volume>126</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>107-11</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
