Microstructures in Polymer Fibres for Optical Fibres, THz Waveguides, and Fibre-Based Metamaterials

Figure 10

(a) Polymer Bragg fibres using PTFE and TiO₂-loaded HDPE. Graph shows normalised transmission theoretical values (black curve) and experimental values (blue curve) for the upper fibre of the inset. (b) Hollow-core kagome structure inhibited coupling waveguide made of PMMA. Graph shows theoretical loss values (red curve) and experimentally measured loss (blue circles). Inset shows fibre cross-section and mode profile, showing that these waveguides are single moded. Adapted from (a) [146] and (b) [150].

(a)

(b)