Flexible inkjet-printed metamaterial absorber for coating a cylindrical object | Zendy

Hyung Ki Kim | Zendy; K.S. Ling | Zendy; Kyeongseob Kim | Zendy; Sungjoon Lim | Zendy

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Flexible inkjet-printed metamaterial absorber for coating a cylindrical object

Author(s) -

Hyung Ki Kim,

K.S. Ling,

Kyeongseob Kim,

Sungjoon Lim

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.005898

Subject(s) - materials science , coating , metamaterial , optics , metamaterial absorber , fabrication , absorption (acoustics) , radius , resonator , optoelectronics , inkwell , attenuation coefficient , composite material , tunable metamaterials , physics , computer science , medicine , alternative medicine , pathology , computer security

In this paper, a novel flexible inkjet-printed metamaterial absorber is proposed. The unit cell of the metamaterial is designed with a modified Jerusalem-cross ring resonator and is inkjet printed with silver nanoparticle ink on a flexible polymer film. All fabrication processes are performed using a commercial printer (EPSON WF-7011). The absorber's flexibility and absorption performance are demonstrated by measuring the absorption ratio after coating the proposed absorber on a cylindrical object with a radius of 4.56 cm. An absorption rate exceeding 99% is achieved at 9.21 GHz for both flat and cylindrical surfaces. In addition, the cylindrical model attains an absorption rate higher than 96% for all polarization angles, and a high absorption rate of 95% is preserved until the incident angle is less than 30þ.

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