Harnessing the electromagnetic absorptions of metamaterials for positive applications

Yuanjiang Xiang; Yanhong Zou; Hailu Luo; Xiaoyu Dai; Shuangchun Wen; Dianyuan Fan

doi:10.1117/12.859820

10 September 2010 Harnessing the electromagnetic absorptions of metamaterials for positive applications

Yuanjiang Xiang, Yanhong Zou, Hailu Luo, Xiaoyu Dai, Shuangchun Wen, Dianyuan Fan

Proceedings Volume 7754, Metamaterials: Fundamentals and Applications III; 77540K (2010) https://doi.org/10.1117/12.859820
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

Absorption or loss is inevitable for the metal-based metamaterials (MMs) due to the intrinsic loss of the metal, and constitutes a major hurdle to the practical realization of most applications such as a sub-wavelength lens. Thus, to reduce the losses becomes one of the major challenges in the MM field. However, the inevitable loss can also be harnessed to take a positive role in the applications of MMs such as stealth technology or other types of cloaking devices. In this presentation, after a brief review of the advances in MMs-based absorbers, we present several schemes to fulfill the desired electromagnetic absorption properties, both linear and nonlinear. For linear absorption, we have experimentally demonstrated that the absorption performance of an ordinary microwave absorbing material can be evidently improved by using the electric resonance resulting from an array of subwavelength metallic circuit elements. For nonlinear absorption, we show theoretically that the active linear magnetic permeability induces a nonlinear absorption, similar to the two-photon absorption (TPA), of electric field in a lossy MM with a Kerr-type nonlinear polarization.

Citation Download Citation

Yuanjiang Xiang, Yanhong Zou, Hailu Luo, Xiaoyu Dai, Shuangchun Wen, and Dianyuan Fan "Harnessing the electromagnetic absorptions of metamaterials for positive applications", Proc. SPIE 7754, Metamaterials: Fundamentals and Applications III, 77540K (10 September 2010); https://doi.org/10.1117/12.859820

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available