<?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>S0035-001X2010000100012</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Reduction of splice loss between dissimilar fibers by tapering and fattening]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Rios]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Gómez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monzon-Hernandez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barbosa-Garcia]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duran-Ramirez]]></surname>
<given-names><![CDATA[V.M.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro de Investigaciones en Óptica A. C.  ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Los Lagos ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2010</year>
</pub-date>
<volume>56</volume>
<numero>1</numero>
<fpage>80</fpage>
<lpage>84</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2010000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2010000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2010000100012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[A method for reducing splice loss between dissimilar optical fibers is presented. The fibers are first spliced by using a standard fusion splicing procedure, and then the fiber with the greater core is tapered before the splice point, while the fiber with the smaller core is fattened. By using this technique we have consistently obtained splice loss values of 0.13 dB between a DS/SMF and an SMF28 fiber, and 0.09 dB between a 980HP fiber and an SMF28 fiber.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Presentamos un método para reducir las perdidas en empalmes entre fibras ópticas con diferentes características. Las fibras son unidas usando un procedimiento de fusión estándar, para luego reducir el diámetro de la fibra con el núcleo de mayor tamaño antes del punto de unión, mientras que la fibra con el diámetro de núcleo menor es ensanchada. Mediante el uso de esta técnica hemos obtenido de manera consistente perdidas de 0.13 dB en un empalme entre una fibra DS/SMF y una fibra SMF28, y perdidas de 0.09 dB en un empalme entre una fibra 980HP y una fibra SMF28.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Optical fibers]]></kwd>
<kwd lng="en"><![CDATA[fusion splicing]]></kwd>
<kwd lng="en"><![CDATA[tapering]]></kwd>
<kwd lng="en"><![CDATA[fattening]]></kwd>
<kwd lng="es"><![CDATA[Fibras ópticas]]></kwd>
<kwd lng="es"><![CDATA[empalmado por fusión]]></kwd>
<kwd lng="es"><![CDATA[afilado]]></kwd>
<kwd lng="es"><![CDATA[engrosado]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Instrumentaci&oacute;n</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Reduction of splice loss between dissimilar fibers by tapering and fattening</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>A. Mart&iacute;nez&#150;Rios&ordf;, I. Torres&#150;G&oacute;mez&ordf;, D. Monzon&#150;Hernandez&ordf;,  O. Barbosa&#150;Garcia&ordf; and V.M. Duran&#150;Ramirez<sup>b</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>&ordf; Centro de Investigaciones en &Oacute;ptica A. C. Loma del Bosque 115, Col. Lomas del Campestre, Le&oacute;n, Guanajuato, M&eacute;xico, </i>e&#150;mails: <a href="mailto:amr6@cio.mx">amr6@cio.mx</a>, <a href="mailto:itorres@cio.mx">itorres@cio.mx</a>, <a href="mailto:dmonzon@cio.mx">dmonzon@cio.mx</a>, <a href="mailto:barbosag@cio.mx">barbosag@cio.mx</a></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>b</sup> Centro Universitario de Los Lagos, Universidad de Guadalajara, </i>e&#150;mail: <a href="mailto:vicduranr@hotmail.com">vicduranr@hotmail.com</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 28 de agosto de 2009    ]]></body>
<body><![CDATA[<br>   Aceptado el 25 de enero de 2010</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">A method for reducing splice loss between dissimilar optical fibers is presented. The fibers are first spliced by using a standard fusion splicing procedure, and then the fiber with the greater core is tapered before the splice point, while the fiber with the smaller core is fattened. By using this technique we have consistently obtained splice loss values of 0.13 dB between a DS/SMF and an SMF28 fiber, and 0.09 dB between a 980HP fiber and an SMF28 fiber.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Optical fibers; fusion splicing; tapering; fattening.</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">Presentamos un m&eacute;todo para reducir las perdidas en empalmes entre fibras &oacute;pticas con diferentes caracter&iacute;sticas. Las fibras son unidas usando un procedimiento de fusi&oacute;n est&aacute;ndar, para luego reducir el di&aacute;metro de la fibra con el n&uacute;cleo de mayor tama&ntilde;o antes del punto de uni&oacute;n, mientras que la fibra con el di&aacute;metro de n&uacute;cleo menor es ensanchada. Mediante el uso de esta t&eacute;cnica hemos obtenido de manera consistente perdidas de 0.13 dB en un empalme entre una fibra DS/SMF y una fibra SMF28, y perdidas de 0.09 dB en un empalme entre una fibra 980HP y una fibra SMF28.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Fibras &oacute;pticas; empalmado por fusi&oacute;n; afilado; engrosado.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">PACS:42.81.Bm;42.81.Cn</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/v56n1/v56n1a12.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>Acknowledgments</b></font></p>     <p align="justify"><font face="verdana" size="2">This work was supported by CONACYT grant no. 47733.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>References</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. M. Kihara, S. Tomita, and M. Matsumoto, <i>IEEE Phot. Technol. Lett. </i><b>4</b> (1992) 1390.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358037&pid=S0035-001X201000010001200001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2. Akihiko Ishikura, Yasuyuki Kato, and Mitsuru Miyauchi, <i>Appl. Opt. </i><b>25</b> (1986) 3465.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358038&pid=S0035-001X201000010001200002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">3. E.M. O'Brien and C.D. Hussey, <i>Electron. Lett. </i><b>35</b> (1999) 168.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358039&pid=S0035-001X201000010001200003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">4. A.D. Yablon and M. Sumetsky, <i>Opt. Lett. </i><b>32</b> (2007) 617.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358040&pid=S0035-001X201000010001200004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">5. M. Kihara, M. Matsumoto, T. Haibara, and S. Tomita, <i>J. Lightwave Technol. </i><b>14 </b>(1996) 2209.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358041&pid=S0035-001X201000010001200005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">6. J.S. Harper, C.P. Botham, and S. Hornung, <i>Electron. Lett. </i><b>24</b> (1988) 245.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358042&pid=S0035-001X201000010001200006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">7. A.D. Yablon, <i>Optical Fiber Fusion Splicing </i>(Springer, New York, 2005).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358043&pid=S0035-001X201000010001200007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">8. A. Ghatak and K. Thyagarajan, <i>Introduction to Fiber Optics </i>(Cambridge University Press, New York, USA, 1998).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8358044&pid=S0035-001X201000010001200008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
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