On gyrotropic chiral sculptured thin films for magneto-optics

Authors: Pickett, M.D.; Lakhtakia, A.

Source: Optik – International Journal for Light and Electron Optics, Volume 113, Number 8, 1 October 2002 , pp. 367-371(5)

Publisher: Urban & Fischer

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Abstract:

The planewave response of a chiral sculptured thin film with gyrotropic properties is examined, under the assumption of axial excitation. Although the reflectances and the transmittances are definitely affected by gyrotropy, the circular Bragg phenomenon is still exhibited. Most importantly, structural chirality and gyrotropy contribute cooperatively to transmission optical rotation.

Keywords: Apparent circular dichroism; gyrotropy; helicoidal bianisotropic medium; optical activity; structural chirality

Document Type: Original article

DOI: http://dx.doi.org/10.1078/0030-4026-00180

Affiliations: 1: CATMAS - Computational & Theoretical Materials Sciences Group, Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA 16802-6812, USA

Publication date: 2002-10-01