Second-harmonic generation in centrosymmetric crystals of chiral molecules

E.W. Meijer, E.E. Havinga, G.L.J.A. Rikken

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    For centrosym. structures of chiral mols., the interaction with circularly polarized light gives nonzero 2nd-order susceptibilities. It is ascribed to transitions that are both magnetic and elec. dipole allowed. Exptl. demonstration is given of 2nd-harmonic generation from centrosym. crystals of R,S-N-acetylvaline (P21/c) using a fundamental wave having elliptic polarization in most parts of the trajectory through the crystal. These results demonstrate the existence of optical activity in the hyperpolarizability term b, similarly to the well-known optical-rotation phenomena in the linear polarizability. [on SciFinder (R)]
    Original languageEnglish
    Pages (from-to)37-39
    JournalPhysical Review Letters
    Issue number1
    Publication statusPublished - 1990


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