2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/104047We introduce a small-core air-guiding photonic crystal fiber whose cladding is made of improved air-silica photonic crystal with non-circular air holes placed in triangular lattice. The fiber achieves un-disturbed bandgap guidance over 350nm wavelength range.Presented at the 31st European Conference on Optical Communication (ECOC), Glasgow, Scotland, September 2005OpticsAir-guiding photonic bandgap fiber with improved triangular air-silica photonic crystal claddingtext