Quantitative determination of electric and magnetic second-order susceptibility tensors of chiral surfaces

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Abstract
We present a measurement technique to determine the relative values of all components of the three tensors that describe second-harmonic generation from chiral isotropic surfaces up to first order in the magnetic-dipole interaction. For a thin film of a chiral polymer, the largest tensor components involving magnetic interactions are nonvanishing only because of chirality and their magnitudes are ∼20% of the largest electric-dipole-only components. These chiral magnetic components are larger than the chiral electric component.

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