"Does Nature Allow Negative Refraction with Low Losses in Optical Region?", arXiv:cond-mat/0611350v1 [cond-mat.mtrl-sci] (2007).
A.K. Popov and V.M. Shalaev, "Compensating losses in negative-index
metamaterials by optical parametric amplification", Opt. Express, 31(14), 2169 (2006).
M. Liu, and P. Guyot-Sionnest,
"Preparation and optical properties of silver chalcogenide coated gold nanorods",
J. Mat. Chem., 16, 3942 (2006).
R. B. Greegor, C.G. Parazzoli, K. Li, and M.H. Tanielian, "Origin of dissipative losses in negative index of refraction materials",
Appl. Phys. Lett., 82(14), 2356 (2003).
"Losses in left-handed materials",
Opt. Express, 11(19), 2397 (2003).
S. Link, M.B. Mohamed, and M.A. El-Sayed,
"Simulation of the Optical Absorption Spectra of Gold Nanorods as a Function of Their Aspect Ratio and the Effect of the Medium Dielectric Constant",
J. Phys. Chem. B, 103, 3073 (1999).
S. Link, and M.A. El-Sayed,
"Size and Temperature Dependence of the Plasmon Absorption of Colloidal Gold Nanoparticles",
J. Phys. Chem. B, 103, 4212 (1999).
C.A. Foss, Jr., G.L. Hornyak, J.A. Stockert, and C.R. Martin,
"Template-Synthesized Nanoscopic Gold Particles: Optical Spectra and the Effects of Particle Size and Shape",
J. Phys. Chem. 98, 2963 (1994).