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5 October 1995 Determination of second-order susceptibility components of chiral surfaces
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Second-harmonic generation from chiral surfaces has different responses to fundamental beams that are left- and right-hand circularly polarized. This form of nonlinear optical activity can occur within the electric-dipole approximation. However, second-order nonlinearities involving magnetic-dipole transitions, which can be strong in chiral media, also contibute to the circular-difference response. We describe a new measurement technique that is based on continuous variation of the state of polarization of the incoming fundamental field, which allows us to assess the relative importance of the electric- and magnetic-dipole contributions to the circular-difference response. We will report the results of our measurements on second- harmonic generation from surfaces consisting of thin films of chiral polymers.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Martti Kauranen, Jeffery J. Maki, and Andre P. Persoons "Determination of second-order susceptibility components of chiral surfaces", Proc. SPIE 2527, Nonlinear Optical Properties of Organic Materials VIII, (5 October 1995);

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