Broadband terahertz absorber realized by self-assembled multilayer glass spheres
Authors:
- 1 June 2012
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 20 (12) , 13566-13572
Abstract
A broadband terahertz (THz) absorber consisting of multilayer glass spheres and polydimethylsiloxane (PDMS) was realized. The multilayer glass spheres were deposited by repeating a self-assembly method used to form monolayer glass spheres and by the spin-coating of PDMS to fill the gaps between the glass spheres. The average reflection at the surface of the absorber was 0.8% and the absorbance was higher than 98% in the frequency range between 0.7 to 2.0 THz.Keywords
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