Optical properties of crossed metallodielectric gratings

Jennifer M. Steele; Cristin E. Moran; Allen Lee; Naomi J. Halas

doi:10.1117/12.512739

28 October 2003 Optical properties of crossed metallodielectric gratings

Jennifer M. Steele, Cristin E. Moran, Allen Lee, Naomi J. Halas

Proceedings Volume 5221, Plasmonics: Metallic Nanostructures and Their Optical Properties; (2003) https://doi.org/10.1117/12.512739
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

In this paper we report an experimental and theoretical study of the optical properties of metallodielectric gratings with subwavelength gaps in the thin metal limit. A mask-free method of fabrication for large area submicron silver gratings on silica substrates has been developed using soft-lithographic techniques. By measuring the zeroth-order transmission of these gratings, both an edge anomaly associated with the Rayleigh wavelength and a resonant anomaly associated with the excitation of surface plasmons (SPs) are observed. A crossed grating configuration is studied: the presence of the additional crossed grating results in a dramatic widening of the plasmonic band gap relative to that of a 1D grating.

Citation Download Citation

Jennifer M. Steele, Cristin E. Moran, Allen Lee, and Naomi J. Halas "Optical properties of crossed metallodielectric gratings", Proc. SPIE 5221, Plasmonics: Metallic Nanostructures and Their Optical Properties, (28 October 2003); https://doi.org/10.1117/12.512739

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