Inspec keywords: porous materials; finite element analysis; holey fibres; optical fibre dispersion; photonic crystals

Other keywords: finite-element method; confinement loss; core air holes; modal characteristics; ultra-low material loss; sol–gel technique; fibre dispersion; THz regime; terahertz wave guidance; capillary stacking; porous core photonic crystal fibre; frequency 1 THz; single-mode properties

Subjects: Finite element analysis; Powders and porous materials (engineering materials science); Photonic bandgap materials; Optical propagation, dispersion and attenuation in fibres; Other fibre optical devices and techniques; Fibre optics; Optical materials; Numerical approximation and analysis