Challenges and further work
Concepts important for the electromagnetic characterization of nanostructures are not very well-known. Some of them are new and under development, which made our work useful also for specialists. This refers to the most important case when the nanostructured materials demonstrated useful and unusual (absent for natural media) properties, in other words when they are metamaterials.
The analysis of very recent (2009-2010) literature on metamaterials allows us to conclude that the vector which shows the accumulated knowledge changed the direction. From the depression, i.e. accumulation of waste data obtained with the use of an obsolete and inadequate homogenization models (overview for 2008-2009) it turned to the development, i.e to the search of adequate, really working theoretical models. This new trend allows us to expect the approaching breakthrough in the electromagnetic characterization of nanostructured metamaterials.
- Referring a metamaterial to a wrong class. (Diffraction gratings, mesoscopic layers, photonic crystals described as a bulk medium sample)
- Ignoring the anisotropy. (Treating a component of material parameter tensor as an isotropic or
- Ignoring the bianisotropy. (Describing the bianisotropic material in terms of only and
- Ignoring spatial dispersion effects in dipole-type bulk metamaterials
- Ignoring the problem of the spread boundary of bulk metamaterial samples 100s papers.