Research Papers

Effective permittivity near zero in nanolaminates of silver and amorphous polycarbonate

[+] Author Affiliations
M. Joseph Roberts, Simin Feng, Mark Moran, Linda Johnson

Naval Air Warfare Center Weapons Division, Research and Intelligence Department, 1900 N. Knox Road, STOP 6303, China Lake, California 93555

J. Nanophoton. 4(1), 043511 (June 22, 2010). doi:10.1117/1.3463420
History: Received March 18, 2010; Revised June 10, 2010; Accepted June 15, 2010; June 22, 2010; Online June 22, 2010
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Abstract

Experiments were conducted to demonstrate a material with epsilon near zero (ENZ). Dimensions estimated by effective medium theory guided the fabrication of nanolaminate composites of silver and amorphous polycarbonate. This approach ensures that the ordinary component (not the extraordinary component) of the relative permittivity of a uniaxial material equals zero. The nanolaminates were characterized for optical properties using spectroscopic ellipsometry, reflectance, and transmittance. Simulations using both, a new scattering retrieval method, and an effective-medium approximation (EMA) were compared to the experimental results. These results indicate that nanolaminates should enable further exploration into the new optical phenomena predicted for ENZ materials.

© 2010 Society of Photo-Optical Instrumentation Engineers

Topics

Silver

Citation

M. Joseph Roberts ; Simin Feng ; Mark Moran and Linda Johnson
"Effective permittivity near zero in nanolaminates of silver and amorphous polycarbonate", J. Nanophoton. 4(1), 043511 (June 22, 2010). ; http://dx.doi.org/10.1117/1.3463420


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