Academic literature on the topic 'Laguerre- Gaussian'

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Dissertations / Theses on the topic "Laguerre- Gaussian"

1

Kampouridis, Anastasios. "Laguerre-Gaussian modes in the free electron laser." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Jun%5FKampouridis.pdf.

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Thesis (M.S. in Physics)--Naval Postgraduate School, June 2007.<br>Thesis Advisor(s): William B. Colson, Robert L. Armstead. "June 2007." Includes bibliographical references (p. 71-72). Also available in print.
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Thaller, Kristian. "Optical cooling of solids and Laguerre-Gaussian mode generation." Thesis, University of Southampton, 2011. https://eprints.soton.ac.uk/336048/.

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This thesis covers two areas of laser physics: optical cooling of rare-earth-doped solids by anti-Stokes fluorescence and the generation of pure Laguerre-Gaussian laser modes using a ring-shaped pump beam. A novel laser-based approach to determining local variations in the temperature of transparent samples is developed. This technique is based on monitoring the frequency-shift of the axial modes of a simple, diode-pumped solid-state laser resonator in which the sample is placed. A theoretical resolution of <4.5mK is calculated for a perfectly isolated probe resonator. The technique is validat
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3

Santiago, Condori Jordy Guilbert. "Non-collinear interaction of Laguerre-Gaussian modes in second harmonic generation." Master's thesis, Pontificia Universidad Católica del Perú, 2018. http://tesis.pucp.edu.pe/repositorio/handle/123456789/12114.

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Esta tesis aborda las interacciones no colineales de los modos Laguerre-Gaussianos. Estas interacciones se utilizan para lograr la transferencia del momento angular orbital (OAM) en la mezcla de ondas no lineales. Esto se hace mediante conmutación controlada por polarización. Ajustando la geometría de los haces de entrada, es posible producir una salida OAM de tres canales con cargas topológicas arbitrarias que se generan simultáneamente y se resuelven espacialmente en la longitud de onda del segundo armónico. El uso de grados de libertad de trayectoria y polarización permite una conmutación
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VanValkenburgh, Michael James. "Hermite / Laguerre-Gaussian modes & lower bounds for quasimodes of semiclassical operators." Diss., Restricted to subscribing institutions, 2009. http://proquest.umi.com/pqdweb?did=1905663061&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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5

Zhang, Weiya. "Effect of a thin optical Kerr medium on a Laguerre-Gaussian beam and the applications." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Dissertations/Fall2006/W_Zhang_121306.pdf.

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6

Cabrera, Gutiérrez Naty Citlali. "Modes de Laguerre-Gauss et canalisation d’atomes froids." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112360/document.

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Les modes de Laguerre-Gauss sont une des solutions de l’équation de propagation de la lumière dans l’approximation paraxiale en coordonnées cylindriques. Ces modes sont caractérisés par deux indices (azimutal et radial) et présentent des propriétés particulières : une structure en forme d’anneau et une phase en hélice. Ces propriétés ont été mises au profit pour plusieurs applications allant de la microscopie à l’astronomie. Cette thèse a été dédiée à l’étude de ces modes et à leur application dans le domaine des atomes froids. Dans un premier temps, la pureté des modes fabriqués par la méthod
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Ruys, Wesley da Silva. "Classes de hipersuperfícies Weingarten generalizadas tipo Laguerre." Universidade Federal de Goiás, 2017. http://repositorio.bc.ufg.br/tede/handle/tede/8082.

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Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2017-12-27T13:50:44Z No. of bitstreams: 2 Tese - Wesley da Silva Ruys - 2017.pdf: 2660976 bytes, checksum: 3c6402ac0974e65da560b50e1f65b52e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2017-12-28T09:42:07Z (GMT) No. of bitstreams: 2 Tese - Wesley da Silva Ruys - 2017.pdf: 2660976 bytes, checksum: 3c6402ac0974e65da560b50e1f65b52e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available
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Paufler, Willi [Verfasser], Stephan [Gutachter] Fritzsche, Jan-Michael [Gutachter] Rost, and Andrey [Gutachter] Surzhykov. "High-harmonic generation with Laguerre-Gaussian beams / Willi Paufler ; Gutachter: Stephan Fritzsche, Jan-Michael Rost, Andrey Surzhykov." Jena : Friedrich-Schiller-Universität Jena, 2020. http://d-nb.info/1212509161/34.

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9

Paquet, Romain. "Nouvelles sources lasers pour génération THz." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTS017.

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Cette thèse porte sur la conception, la réalisation et l'étude expérimentale d'une source laser bifréquence de haute cohérence émettant à 1 µm en vue d'obtenir par photomélange un émetteur THz. Nous nous intéressons plus particulièrement aux lasers à semiconducteur émettant par la surface en cavité externe verticale (VeCSEL), l'objectif étant d'obtenir un fonctionnement laser bifréquence robuste en régime continu, basé sur la coexistence simultanée de deux modes transverses de Laguerre-Gauss. La sélection de seulement deux modes transverses est réalisée grâce à des masques de pertes insérés in
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10

Sevilla, Carlos Andres. "Direct Observation of Conservation of Orbital Angular Momentum in Collinear Type-I Spontaneous Parametric Down-Conversion." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1543326773239719.

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