Lossy double negative guiding layer optical sensors

Abstract

We proposed a three-layer waveguide as an optical sensor for homogeneous sensing applications. A guiding layer of the proposed structure is considered as lossy left-handed material (LHM) with simultaneously the complex negative electric permittivity ɛ and the complex negative magnetic permeability µ. We also assume a cladding layer to have an intensity-dependent refractive index. Sensitivity of the proposed optical waveguide sensor is derived and its dependence on different parameters of a waveguide is studied.

The Sensitivity of TE Filed Propagating in LHM-Antiferromagnetic Sensor

“…Veselago [11] theoretically predicated the existence of LHM with both negative permeability (µ < 0) and negative permittivity (ε < 0) and verified experimentally by Pendry et al [12,13] and Shelby et al [14]. These materials have unique electromagnetic properties made them attractive to several applications including antenna design, superlenses, higher resolution magnetic resonance imaging [15,16], sensors [17][18][19] and isolators [20,21].…”