Examining epsilon near zero structures through effective medium theory and optical thin film analysis

Jason C. Vap; Michael A. Marciniak; Mark Moran; Linda Johnson

doi:10.1117/12.919053

8 June 2012 Examining epsilon near zero structures through effective medium theory and optical thin film analysis

Jason C. Vap, Michael A. Marciniak, Mark Moran, Linda Johnson

Proceedings Volume 8364, Polarization: Measurement, Analysis, and Remote Sensing X; 83640Q (2012) https://doi.org/10.1117/12.919053
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

Epsilon near zero (ENZ) structures are of increasing interest with developments initially directed at metal-dielectric material combinations and recently extended to doped semiconductor-dielectric combinations - all in an effort to drive the permittivity and wave number of the structure near zero. Of further interest is the effective theoretical characterization of these multi-layered material structures. We investigate increasing the number of layers - from one to four - of a visible ENZ design structure. Theoretical predictions are compared with experimental material properties collected from ellisometry; the region where effective medium theory breaks down and optical thin film analysis succeeds are examined.

Citation Download Citation

Jason C. Vap, Michael A. Marciniak, Mark Moran, and Linda Johnson "Examining epsilon near zero structures through effective medium theory and optical thin film analysis", Proc. SPIE 8364, Polarization: Measurement, Analysis, and Remote Sensing X, 83640Q (8 June 2012); https://doi.org/10.1117/12.919053

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