Second-harmonic generation at the surface of cubic ionic crystals |
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Authors: | G. Petrocelli S. Martellucci |
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Affiliation: | (1) Dipartimento Ingegneria Meccanica, Seconda Università di Roma Tor Vergata, Via Orazio Raimondo, I-00173 Rome, Italy |
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Abstract: | The strength of the different source terms in the isotropic Second Harmonic (SH) response of the surface has been measured in different ionic crystals LiF, NaF, GGG(Gadolinium-Gallium-Garnet), and MgF2, using as excitation beam the fundamental output of a Nd:YAG laser (1.06 m). The azimuthal dependences of the optical second-harmonic generation has also been measured at the LiF(100), LiF(111), GGG(100), and GGG(111) surfaces. No experimental evidence of a bulk contribution to the anisotropic part of the nonlineau polarization has been observed. |
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Keywords: | 42.65.Ky 78.66.Nk |
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