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<dc:title>$\mathcal {Q}$-switching in a neodymium laser</dc:title>
<dc:creator>Holgado Lage, Warein</dc:creator>
<dc:creator>Sola Larrañaga, Iñigo Juan</dc:creator>
<dc:creator>Conejero Jarque, Enrique</dc:creator>
<dc:creator>Jarabo, Sebastián</dc:creator>
<dc:creator>Roso Franco, Luis</dc:creator>
<dc:description>We present a laboratory experiment for advanced undergraduate or graduate laser-related classes to study the performance of a neodymium laser. In the experiment, the student has to build the neodymium laser using an open cavity. After that, the cavity losses are modulated with an optical chopper located inside, so the $\mathcal {Q}$-switching regime is achieved. Also a nonlinear crystal can be inserted in the cavity in order to have second harmonic generation. Finally, the relation between the transverse modes and the temporal emission in the $\mathcal {Q}$-switching regime can be observed.</dc:description>
<dc:description>We acknowledge support from Spanish Ministerio de Ciencia e Innovación through the Consolider Program SAUUL (CSD2007-00013), the ‘Programa de Implantación y Seguimiento de Acciones de Mejora de los Másteres Universitarios’ and the ‘Becas de Colaboración en Másteres Oficiales’ program of theUniversidad de Salamanca and the research project FIS2009-09522, from Junta de Castilla y Le on through the Program for Groups of Excellence (GR27) and from the EC’s Seventh Framework Programme (LASERLABEUROPE, grant agreement no 228334). We also acknowledge Luis Plaja for his valuable comments and support. WH and IJS acknowledge the support from the Spanish Ministerio de Ciencia e Innovaci on through the ‘Formación de Personal Investigador’ and ‘Ramon y Cajal’ grant programs, respectively.</dc:description>
<dc:date>2021-06-17T11:40:16Z</dc:date>
<dc:date>2021-06-17T11:40:16Z</dc:date>
<dc:date>2012-01</dc:date>
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<dc:identifier>Holgado, W., Sola, Í. J., Jarque, E. C., Jarabo, S., & Roso, L. (2012). $\mathcal {Q}$-switching in a neodymium laser. European Journal of Physics, 33(2), 265-278. https://doi.org/10.1088/0143-0807/33/2/265</dc:identifier>
<dc:identifier>0143-0807</dc:identifier>
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<dc:identifier>1361-6404</dc:identifier>
<dc:language>eng</dc:language>
<dc:relation>SAUUL (CSD2007-00013)</dc:relation>
<dc:relation>FIS2009-09522</dc:relation>
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<dc:creator>Conejero Jarque, Enrique</dc:creator>
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<dc:description>We present a laboratory experiment for advanced undergraduate or graduate laser-related classes to study the performance of a neodymium laser. In the experiment, the student has to build the neodymium laser using an open cavity. After that, the cavity losses are modulated with an optical chopper located inside, so the $\mathcal {Q}$-switching regime is achieved. Also a nonlinear crystal can be inserted in the cavity in order to have second harmonic generation. Finally, the relation between the transverse modes and the temporal emission in the $\mathcal {Q}$-switching regime can be observed.</dc:description>
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