Retrieval of Effective Parameters of Subwavelength Periodic Photonic Structures

Crystals

Alexey A. Orlov¹  Elizaveta A. Yankovskaya¹  Sergei V. Zhukovsky¹  Viktoriia E. Babicheva¹  Ivan V. Iorsh¹ 

[1] National Research University of Information Technologies, Mechanics and Optics (ITMO), Kronverksky pr. 49, St. Petersburg 197101, Russian Federation; E-Mails:

关键词: multilayers;    metamaterials;    effective parameters;    epsilon-near-zero;    periodic structures;    ellipsometry;    optical magnetism;   

DOI  :  10.3390/cryst4030417

来源: mdpi

【 摘 要 】

We revisit the standard Nicolson–Ross–Weir method of effective permittivity and permeability restoration of photonic structures for the case of subwavelength metal-dielectric multilayers. We show that the direct application of the standard method yields a false zero-epsilon point and an associated spurious permeability resonance. We show how this artifact can be worked around by the use of the cycle shift operator to the periodic multilayer in question.

【 授权许可】

CC BY   
© 2014 by the authors; licensee MDPI, Basel, Switzerland