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Proceedings Paper

Flexible zero refractive index optical metamaterial with matched impedance
Author(s): Seokho Yun; Lan Lin; Zhi Hao Jiang; Ding Ma; Zhiwen Liu; Douglas H. Werner; Theresa S. Mayer
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Paper Abstract

We demonstrate a flexible thin film zero refractive index optical metamaterial with matched impedance to free space and low absorption loss at 1.55 μm. The metallo-dielectric multilayer structure with fishnet geometry was optimized by a genetic algorithm. The fabrication process and characterization approach are described. The experiment results agree well with the theoretical predictions, showing an effective index of neff = 0.072 + 0.51i and an impedance of Zeff/Z0 = 1.009 – 0.021i.

Paper Details

Date Published: 15 October 2012
PDF: 7 pages
Proc. SPIE 8455, Metamaterials: Fundamentals and Applications V, 84551Q (15 October 2012); doi: 10.1117/12.930346
Show Author Affiliations
Seokho Yun, The Pennsylvania State Univ. (United States)
Lan Lin, The Pennsylvania State Univ. (United States)
Zhi Hao Jiang, The Pennsylvania State Univ. (United States)
Ding Ma, The Pennsylvania State Univ. (United States)
Zhiwen Liu, The Pennsylvania State Univ. (United States)
Douglas H. Werner, The Pennsylvania State Univ. (United States)
Theresa S. Mayer, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 8455:
Metamaterials: Fundamentals and Applications V
Allan D. Boardman; Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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