Transmission ellipsometry of a thin-film helicoidal bianisotropic medium

P. I. Rovira, R. A. Yarussi, R. W. Collins, R. Messier, V. C. Venugopal, A. Lakhtakia, K. Robbie, M. J. Brett

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

Experimental evidence is introduced for circularly birefringent and dichroic behavior in a MgF2 thin-film helicoidal bianisotropic medium (TFHBM), which is a rotationally inhomogeneous and anisotropic material. Optical rotation (OR) of an incident linearly polarized monochromatic plane wave is observed upon transmission through the MgF2/glass TFHBM/substrate system, and it is accompanied by an ellipticity in the polarization of the transmitted plane wave. Both OR and ellipticity spectra have remarkable features within a narrow wavelength zone not unlike the Cotton effect in isotropic chiral media. The features in the experimental spectra are in accord with theoretical predictions.

Original languageEnglish (US)
Pages (from-to)1180-1182
Number of pages3
JournalApplied Physics Letters
Volume71
Issue number9
DOIs
StatePublished - Sep 1 1997

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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