<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2010000300012</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Instrumentación y diseño de una fuente de alto voltaje para fabricar rejillas de fibra óptica mediante la técnica de arco eléctrico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-García]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estudillo-Ayala]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Laguna]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mata Chávez]]></surname>
<given-names><![CDATA[R.I.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Ríos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trejo-Durán]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrade-Lucio]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado-Méndez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Autónoma Benito Juárez de Oaxaca Escuela de Ciencias ]]></institution>
<addr-line><![CDATA[Salamanca Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Centro de Investigaciones en Óptica  ]]></institution>
<addr-line><![CDATA[León Gto.]]></addr-line>
<country>México</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad Autónoma Benito Juárez de Oaxaca Escuela de Ciencias ]]></institution>
<addr-line><![CDATA[Oaxaca de Juárez Oax.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2010</year>
</pub-date>
<volume>56</volume>
<numero>3</numero>
<fpage>255</fpage>
<lpage>261</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2010000300012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2010000300012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2010000300012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este trabajo se presenta la instrumentación y construcción de una fuente de alto voltaje, la cual fue controlada por el puerto de comunicación de entrada/ salida de una tarjeta de adquisición de datos, utilizando el lenguaje de programación gráfica LabView®. La fuente fue utilizada para la fabricación de rejillas de periodo largo de fibra óptica mediante la técnica de arco eléctrico punto por punto, con el diseño y construcción de la fuente se logró fabricar rejillas de periodo largo con un costo de fabricación menor del 80 % con respecto a la fabricación de rejillas de periodo largo con una empalmadora de fibra óptica. El instrumento fabricado tiene un panel de control virtual para modificar el tiempo de duración del arco, el voltaje aplicado y la corriente eléctrica aplicada a dos electrodos y de esa manera modificar la estructura de la fibra óptica. Las rejillas fueron fabricadas con fibra óptica convencional SMF-28 y las rejillas pueden ser utilizadas en láseres de fibra óptica, filtros ópticos y en la implementación de sensores ópticos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this work we present the instrumentation and construction of a source of high voltage, the source is controlled by the communication port Input/Output of a card of acquisition of data, we used programming language LabView®, is a tool for the design of acquisition systems, instrumentation and control. The source was utilize for to fabricate long period grating of optical fibers by means of inducing an electric arc with the point by point procedure, with this source is have low cost in the fabrication, this is 80 % down of technique with others devices. The instrument has a panel of virtual control to modify the time of duration of the arch, the voltage and the electric current applied to the optic fiber by means of two electrodes. The gratings were fabricated with SMF-28. These gratings can be used with optical fiber lasers as optical filters and in the implementation of optical sensors.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fuente de alto voltaje]]></kwd>
<kwd lng="es"><![CDATA[fibras ópticas]]></kwd>
<kwd lng="es"><![CDATA[rejillas de fibra óptica]]></kwd>
<kwd lng="en"><![CDATA[High voltage source]]></kwd>
<kwd lng="en"><![CDATA[optical fibers]]></kwd>
<kwd lng="en"><![CDATA[fiber optic gratings]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Instrumentaci&oacute;n</font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Instrumentaci&oacute;n y dise&ntilde;o de una fuente de alto voltaje para fabricar rejillas de fibra &oacute;ptica mediante la t&eacute;cnica de arco el&eacute;ctrico</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>J.C. Hern&aacute;ndez&#150;Garc&iacute;a&ordf;, J.M. Estudillo&#150;Ayala&ordf;*, R. Rojas&#150;Laguna&ordf;, R.I. Mata Ch&aacute;vez&ordf;, A. Mart&iacute;nez&#150;R&iacute;os<sup>b</sup>, J.G. Guti&eacute;rrez<sup>c</sup>, M. Trejo&#150;Dur&aacute;n&ordf;, E. Vargas&#150;Rodr&iacute;guez&ordf;, J.A. Andrade&#150;Lucio&ordf; y E. Alvarado&#150;M&eacute;ndez&ordf;</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>&ordf; Departamento de Electr&oacute;nica, Divisi&oacute;n de Ingenier&iacute;as, Campus Irapuato&#150;Salamanca, Universidad de Guanajuato, Carretera Salamanca&#150;Morelia Km 3.5 + 1.8 Comunidad Palo Blanco, Salamanca, Guanajuato, M&eacute;xico. <i><sup>*</sup>e&#150;mail: </i></i><a href="mailto:julian@salamanca.ugto.mx">julian@salamanca.ugto.mx</a></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>b</sup> Centro de Investigaciones en &Oacute;ptica, Lomas del Bosque 115, Col. Lomas del Campestre, Le&oacute;n, Gto., M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>c</sup> Escuela de Ciencias, Universidad Aut&oacute;noma Benito Ju&aacute;rez de Oaxaca, Av. Universidad S/N, Ex Hacienda Cinco Se&ntilde;ores, Oaxaca de Ju&aacute;rez, Oax. 68120, M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Recibido el 8 de noviembre de 2007    <br>   Aceptado el 11 de mayo de 2010</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2">En este trabajo se presenta la instrumentaci&oacute;n y construcci&oacute;n de una fuente de alto voltaje, la cual fue controlada por el puerto de comunicaci&oacute;n de entrada/ salida de una tarjeta de adquisici&oacute;n de datos, utilizando el lenguaje de programaci&oacute;n gr&aacute;fica LabView&reg;. La fuente fue utilizada para la fabricaci&oacute;n de rejillas de periodo largo de fibra &oacute;ptica mediante la t&eacute;cnica de arco el&eacute;ctrico punto por punto, con el dise&ntilde;o y construcci&oacute;n de la fuente se logr&oacute; fabricar rejillas de periodo largo con un costo de fabricaci&oacute;n menor del 80 % con respecto a la fabricaci&oacute;n de rejillas de periodo largo con una empalmadora de fibra &oacute;ptica. El instrumento fabricado tiene un panel de control virtual para modificar el tiempo de duraci&oacute;n del arco, el voltaje aplicado y la corriente el&eacute;ctrica aplicada a dos electrodos y de esa manera modificar la estructura de la fibra &oacute;ptica. Las rejillas fueron fabricadas con fibra &oacute;ptica convencional SMF&#150;28 y las rejillas pueden ser utilizadas en l&aacute;seres de fibra &oacute;ptica, filtros &oacute;pticos y en la implementaci&oacute;n de sensores &oacute;pticos.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores:</b> Fuente de alto voltaje; fibras &oacute;pticas; rejillas de fibra &oacute;ptica.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">In this work we present the instrumentation and construction of a source of high voltage, the source is controlled by the communication port Input/Output of a card of acquisition of data, we used programming language LabView&reg;, is a tool for the design of acquisition systems, instrumentation and control. The source was utilize for to fabricate long period grating of optical fibers by means of inducing an electric arc with the point by point procedure, with this source is have low cost in the fabrication, this is 80 % down of technique with others devices. The instrument has a panel of virtual control to modify the time of duration of the arch, the voltage and the electric current applied to the optic fiber by means of two electrodes. The gratings were fabricated with SMF&#150;28. These gratings can be used with optical fiber lasers as optical filters and in the implementation of optical sensors.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> High voltage source; optical fibers; fiber optic gratings.</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS: 42.81.i; 42.81 Wg.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v56n3/v56n3a12.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>     <p align="justify"><font face="verdana" size="2">Al CONCYTEG por el apoyo recibido a trav&eacute;s del proyecto <i>"Dise&ntilde;o de fibras microestructuradas para aplicaciones en sensores &oacute;pticos" </i>(Convenio <b>07&#150;16&#150;K662&#150;061&#150;A09</b>). A la Universidad de Guanajuato por el proyecto <b>No. E20391 </b><i>"Fabricaci&oacute;n de filtros y acopladores de fibra &oacute;ptica", </i>Programa Institucional de Fortalecimiento a la Investigaci&oacute;n 2008 y Al <b>CONACYT </b>por los proyectos <b>No. 93398 y J51264</b>.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. S.G. Kosinski y A.M. 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