Title :
Broadband absorbers for the mid-IR based on multi-screen frequency selective surfaces
Author :
Bossard, Jeremy A. ; Bayraktar, Zikri ; Werner, Douglas H.
Author_Institution :
Dept. of Electr. Eng., Pennsylvania State Univ., University Park, PA, USA
Abstract :
Infrared (IR) absorbers have been previously studied for use in narrow-band and multi-band applications. Here, we investigate a broadband absorber structure comprised of multiple, stacked frequency selective surface screens. A genetic algorithm is successfully employed to optimize a structure with three Au screens to exhibit high absorptivity across the mid-IR range from 3 μm to 5 μm.
Keywords :
frequency selective surfaces; genetic algorithms; gold; infrared spectra; metamaterials; Au; broadband absorber structure; genetic algorithm; high absorptivity; infrared absorbers; mid-IR absorbers; multiple stacked frequency selective surface screens; wavelength 3 mum to 5 mum; Absorption; Broadband communication; Frequency selective surfaces; Genetic algorithms; Gold; Magnetic materials; Metamaterials;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4673-0461-0
DOI :
10.1109/APS.2012.6349397
