Open Access3D printed low-loss THz waveguide based on Kagome photonic crystal structure
Author(s) -
Jing Yang,
Jiayu Zhao,
Cheng Gong,
Haolin Tian,
Lu Sun,
Pïng Chen,
Lie Lin,
Weiwei Liu
Publication year - 2016
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.24.022454
Subject(s) - terahertz radiation , materials science , waveguide , photonic crystal , optoelectronics , optics , terahertz spectroscopy and technology , 3d printing , 3d printed , physics , medicine , biomedical engineering , composite material
A low-loss hollow core terahertz waveguide based on Kagome photonic crystal structure has been designed and fabricated by 3D printing. The 3D printed waveguide has been characterized by using THz time-domain spectroscopy. The results demonstrate that the obtained waveguide features average power propagation loss of 0.02 cm -1 for 0.2-1.0 THz (the minimum is about 0.002 cm -1 at 0.75 THz). More interesting, it could be simply mechanically spliced without any additional alignment, while maintaining the excellent performance. The 3D printing technique will be a promising solution to fabricate Kagome THz waveguide with well controllable characteristics and low cost.