Dispersion Features of Conducting Sheath Helix Embedded Elliptical and Circular Fibers with Chiral Nihility Core

Figure 1

(a) Schematic of the conducting sheath helix embedded elliptical optical fiber with core-clad interface at . (b) Orthogonal elliptic coordinate system with the semimajor and semiminor axes along the - and -directions, respectively.

(a)

(b)