Rotational anisotropy in second harmonic intensity from Cu nanowire arrays on the NaCl (1 1 0) substrates |
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| Authors: | Kitsakorn Locharoenrat Haruyuki Sano Goro Mizutani |
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| Institution: | 1. School of Materials Science, Japan Advanced Institute of Science and Technology (JAIST) 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan;2. JAIST 21st COE Program, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan;1. Departamento de Física de Materiales, Universidad Autónoma de Madrid, 28049 Madrid, Spain;2. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Cientificas, 28049 Madrid, Spain;3. Departamento de Física de Materiales, Universidad Autónoma de Madrid, 28049 Madrid, Spain |
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| Abstract: | We have measured the azimuthal angle dependence of the second harmonic (SH) intensity from Cu nanowires on the faceted NaCl (1 1 0) substrates in air at the fundamental photon energy of 1.17 eV. The SH intensity patterns showed two main lobes for p-in/p-out, s-in/p-out, and s-in/s-out polarization configurations. From the results of the experiment and the pattern analysis we have found that the observed SH light is enhanced by the electric field components along the substrate normal. |
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