Open AccessTHz propagation in kagome hollow-core microstructured fibers
Author(s) -
Jessienta Anthony,
R. Leonhardt,
Sergio Leon-Saval,
Alexander Argyros
Publication year - 2011
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.19.018470
Subject(s) - terahertz radiation , materials science , optics , photonic crystal fiber , core (optical fiber) , optical fiber , terahertz spectroscopy and technology , single mode optical fiber , dispersion (optics) , mode field diameter , microstructured optical fiber , optoelectronics , polarization maintaining optical fiber , fiber optic sensor , physics
We demonstrate single mode terahertz (THz) guidance in hollow-core kagome microstructured fibers over a broad frequency bandwidth. The fibers are characterized using a THz time-domain spectroscopy (THz-TDS) setup, incorporating specially designed THz lenses to achieve good mode overlap with the fundamental mode field distribution. Losses 20 times lower than the losses of the fiber material are observed in the experiments, as well as broad frequency ranges of low dispersion, characteristic of hollow-core fibers.