Metamaterials Veer Toward the Visible

Researchers at Purdue University have created a metamaterial that has negative values for both effective permeability and effective permittivity—a so-called “dual-band” or “double-negative” refractive index—for light with a wavelength of 813 nm.

Access to the full text of this article is restricted. In order to view this article please log in.

Add a Comment