2007/01/31 by A. Mahmoudi, Ali Mahmoudi, Abbas Semnani +4
Chemistry · Engineering · Materials Science · Physics and Astronomy · #Acoustics #Advanced Antenna and Metasurface Technologies #Chemistry #Condensed matter physics #Crystallography #Hexagonal crystal system #Hexagonal lattice #Lattice (music) #Materials science #Metal #Metamaterial #Metamaterials and Metasurfaces Applications #Negative index metamaterials #Negative refraction #Optics #Optoelectronics #Photonic Crystals and Applications #Photonic crystal #Photonic metamaterial #Physics #Refraction #Refractive index #physics.optics
paper · pdf · doi:10.1051/epjap:2007099
published as Eur. Phys. J. Appl. Phys. (2007)
arxiv created 2007/05/09 · openalex publication_date 2007/06/27 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
A metamaterial with a negative effective index of refraction is made from a three-dimensional hexagonal lattice photonic crystal with a metallic basis embedded in foam. It has been simulated with Ansoft HFSSTM in a frequency range from 7.0 to 12.0 GHz. Simulated results tested experimentally and negative refraction verified in some frequencies. Experimental results are in good agreement with simulations.