Broadband terahertz absorber realized by self-assembled multilayer glass spheres

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...

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Published inOptics express Vol. 20; no. 12; pp. 13566 - 13572
Main Authors Kim, Dae-Seon, Kim, Dong-Hyun, Hwang, Sehyun, Jang, Jae-Hyung
Format Journal Article
LanguageEnglish
Published United States 04.06.2012
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Summary: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.
Bibliography:ObjectType-Article-1
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.20.013566