3D printing of Al 2 O 3 photonic crystals for terahertz frequencies

Reported here is the fabrication and characterization of a three-dimensional photonic crystal for terahertz frequencies based on 3D printing of Al 2 O 3 . Specific inks containing Al 2 O 3 , the material required for the structure, are synthesized with the viscosity and rheological properties necess...

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Bibliographic Details
Published in:RSC advances 2016, Vol.6 (3), p.2450-2454
Main Authors: Tubío, Carmen R., Nóvoa, José A., Martín, Jorge, Guitián, Francisco, Salgueiro, José R., Gil, Alvaro
Format: Article
Language:English
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Summary:Reported here is the fabrication and characterization of a three-dimensional photonic crystal for terahertz frequencies based on 3D printing of Al 2 O 3 . Specific inks containing Al 2 O 3 , the material required for the structure, are synthesized with the viscosity and rheological properties necessary to be extruded through nozzles of micrometric section. The process is completed by a thermal sintering to obtain compact structures. SEM measurements are performed to evaluate the quality of the structures and measure the geometrical parameters. Finally, the presence of the band gap is demonstrated by THz time-domain spectroscopy.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA22737B