Abstract:
In this paper we discuss the SH radiation produced by a composite film made up of nanosized spherical centrosymmetric homogeneous particles. Although each individual sphere is unable to radiate in the forward direction when illuminated by a plane wave, our results show that for a thin composite film illuminated by a focused gaussian linearly polarized beam the radiation pattern presents two narrow lobes displaced along the polarization direction by a small angle of the order of the diffraction-induced angular divergence of the linear far field. The SH radiation produced by a non-homogeneous film, on the other hand presents non-trivial patterns which depend on the fundamental frequency, the waist of the illuminating beam, the sharpness of the edge, the density profile and both the incoming and outgoing polarizations. We hope that these results can be extended to develop characterization techniques for composite films based on surface SHG or SFG. © 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Registro:
Documento: |
Artículo
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Título: | Second harmonic generation from a collection of nanoparticles |
Autor: | Brudny, V.L.; Mochán, W.L.; Maytorena, J.A.; Mendoza, B.S. |
Filiación: | Departamento de Física, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pab. I, 1428 Buenos Aires, Argentina Centro de Ciencias Físicas, Univ. Nac. Auton. de Mex., Apartado Postal 48-3, 62251 Cuernavaca, Morelos, Mexico Centro de Investigaciones en Optica, Apartado Postal 948-1, 37000 León, Guanajuato, Mexico
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Año: | 2003
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Volumen: | 240
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Número: | 3
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Página de inicio: | 518
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Página de fin: | 526
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DOI: |
http://dx.doi.org/10.1002/pssb.200303855 |
Título revista: | Physica Status Solidi (B) Basic Research
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Título revista abreviado: | Phys. Status Solidi B Basic Res.
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ISSN: | 03701972
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03701972_v240_n3_p518_Brudny |
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Citas:
---------- APA ----------
Brudny, V.L., Mochán, W.L., Maytorena, J.A. & Mendoza, B.S.
(2003)
. Second harmonic generation from a collection of nanoparticles. Physica Status Solidi (B) Basic Research, 240(3), 518-526.
http://dx.doi.org/10.1002/pssb.200303855---------- CHICAGO ----------
Brudny, V.L., Mochán, W.L., Maytorena, J.A., Mendoza, B.S.
"Second harmonic generation from a collection of nanoparticles"
. Physica Status Solidi (B) Basic Research 240, no. 3
(2003) : 518-526.
http://dx.doi.org/10.1002/pssb.200303855---------- MLA ----------
Brudny, V.L., Mochán, W.L., Maytorena, J.A., Mendoza, B.S.
"Second harmonic generation from a collection of nanoparticles"
. Physica Status Solidi (B) Basic Research, vol. 240, no. 3, 2003, pp. 518-526.
http://dx.doi.org/10.1002/pssb.200303855---------- VANCOUVER ----------
Brudny, V.L., Mochán, W.L., Maytorena, J.A., Mendoza, B.S. Second harmonic generation from a collection of nanoparticles. Phys. Status Solidi B Basic Res. 2003;240(3):518-526.
http://dx.doi.org/10.1002/pssb.200303855