<?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>S0035-001X2011000300013</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Controlling a laser output through an active saturable absorber]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aboites]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pisarchik]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinto]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barmenkov]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Photonics Department Center for Research in Optics  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<volume>57</volume>
<numero>3</numero>
<fpage>250</fpage>
<lpage>254</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2011000300013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2011000300013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2011000300013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Using the modified Statz - De Mars equations to describe a two laser optical system, it is shown how a saturable absorber can be made into an active control device when an external Electro Optic Modulator modulated low-intensity laser pumps directly into a saturable absorber inside a dye laser cavity. The direct modulation enables to control when and how the pulse train coming from the saturable absorber is released. The results here presented show that the pulse characteristics such as width, intensity and pulse frequency coming from the dye laser cavity, depend on the absorber characteristics and the modulation frequency.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Usando las ecuaciones de Statz - De Mars modificadas para describir un sistema óptico de dos láseres se muestra como un absorbedor saturable puede convertirse en un dispositivo de control activo cuando una señal externa de baja intensidad, modulada por un Modulador Electro Óptico, es inyectada directamente en él cuando se encuentra dentro de una cavidad de láser de colorante. La modulación directa permite controlar cuando y como se libera el tren de pulsos que proviene del absorbedor saturable. Los resultados aquí presentados muestran que las características de intensidad, anchura y frecuencia de pulso proveniente de la cavidad láser de colorante dependen de las características físicas del absorbedor y de la frecuencia de modulación aplicada al láser de control.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Laser]]></kwd>
<kwd lng="en"><![CDATA[optical resonator]]></kwd>
<kwd lng="en"><![CDATA[laser dynamics]]></kwd>
<kwd lng="es"><![CDATA[Láser]]></kwd>
<kwd lng="es"><![CDATA[resonadores ópticos]]></kwd>
<kwd lng="es"><![CDATA[dinámica de láseres]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Investigaci&oacute;n</font></p> 	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="center"><font face="verdana" size="4"><b>Controlling a laser output through an active saturable absorber</b></font></p> 	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="center"><font face="verdana" size="2"><b>M. Wilson, V. Aboites, A. Pisarchik, V. Pinto, and Y. Barmenkov</b></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><i>Photonics Department Center for Research in Optics, Loma del Bosque 115 Col. Valle del Campestre 37150 Le&oacute;n.</i></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2">Recibido el 3 de marzo de 2011    ]]></body>
<body><![CDATA[<br>     Aceptado el 15 de abril de 2011</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">Using the modified Statz &#150; De Mars equations to describe a two laser optical system, it is shown how a saturable absorber can be made into an active control device when an external Electro Optic Modulator modulated low&#150;intensity laser pumps directly into a saturable absorber inside a dye laser cavity. The direct modulation enables to control when and how the pulse train coming from the saturable absorber is released. The results here presented show that the pulse characteristics such as width, intensity and pulse frequency coming from the dye laser cavity, depend on the absorber characteristics and the modulation frequency.</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Laser; optical resonator; laser dynamics.</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">Usando las ecuaciones de Statz &#150; De Mars modificadas para describir un sistema &oacute;ptico de dos l&aacute;seres se muestra como un absorbedor saturable puede convertirse en un dispositivo de control activo cuando una se&ntilde;al externa de baja intensidad, modulada por un Modulador Electro &Oacute;ptico, es inyectada directamente en &eacute;l cuando se encuentra dentro de una cavidad de l&aacute;ser de colorante. La modulaci&oacute;n directa permite controlar cuando y como se libera el tren de pulsos que proviene del absorbedor saturable. Los resultados aqu&iacute; presentados muestran que las caracter&iacute;sticas de intensidad, anchura y frecuencia de pulso proveniente de la cavidad l&aacute;ser de colorante dependen de las caracter&iacute;sticas f&iacute;sicas del absorbedor y de la frecuencia de modulaci&oacute;n aplicada al l&aacute;ser de control.</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Descriptores:</b> L&aacute;ser; resonadores &oacute;pticos; din&aacute;mica de l&aacute;seres.</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    ]]></body>
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