Browsing by Author "Landy, N"

Going beyond Axisymmetry: 2.5D Vector Electromagnetics

Urzhumov, YA; Landy, N; Ciraci, C; Smith, DR (2012-10)

Linear wave propagation through inhomogeneous structures of size R≫λ (Fig.1) is a computationally challenging problem, in particular when using finite element methods, due to the steep increase of the number of degrees of ...

Isotropic-medium three-dimensional cloaks for acoustic and electromagnetic waves

Urzhumov, Y; Landy, N; Smith, DR (Journal of Applied Physics, 2012-03-01)

We propose a generalization of the two-dimensional eikonal-limit cloak derived from a conformal transformation to three dimensions. The proposed cloak is a spherical shell composed of only isotropic media; it operates in ...

Relaxation approach for the generation of inhomogeneous distributions of uniformly sized particles

Hunt, J; Kundtz, N; Landy, N; Smith, DR (Applied Physics Letters, 2010-07-12)

For many applications in gradient index devices and photonic crystals, it is necessary to be able to design semicrystalline distributions of particles where the lattice constant of the distribution is an arbitrary function ...