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Proceedings Paper

Determination of second-order susceptibility components of chiral surfaces
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Paper Abstract

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.

Paper Details

Date Published: 5 October 1995
PDF: 10 pages
Proc. SPIE 2527, Nonlinear Optical Properties of Organic Materials VIII, (5 October 1995); doi: 10.1117/12.222804
Show Author Affiliations
Martti Kauranen, Univ. of Leuven (Belgium)
Jeffery J. Maki, Univ. of Leuven (Belgium)
Andre P. Persoons, Univ. of Leuven (Belgium)

Published in SPIE Proceedings Vol. 2527:
Nonlinear Optical Properties of Organic Materials VIII
Gustaaf R. Moehlmann, Editor(s)

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