A tunable metamaterial for wide-angle and broadband absorption through meta-water-capsule coatings

Qinghua Song,Wu Zhang,Hong Cai,Yuandong Gu,Pin Chieh Wu,Weiming Zhu,Qing Xuan Liang,Zhenchuan Yang,Yufeng Jin,Y. L. Hao,Dim-Lee Kwong,Taric Bourouina,Yamin Leprince-Wang,A. Q. Liu

A tunable metamaterial for wide-angle and broadband absorption through meta-water-capsule coatings

2016

Qinghua Song
Wu Zhang
Hong Cai
Yuandong Gu
Pin Chieh Wu
Weiming Zhu
Qing Xuan Liang
Zhenchuan Yang
Yufeng Jin
Y. L. Hao
Dim-Lee Kwong
Taric Bourouina
Yamin Leprince-Wang
A. Q. Liu

We report a tunable metamaterial for wide-angle and broadband absorption by tuning the height of meta-water-capsule through microfluidics. An 80% absorption is achieved within 67% bandwidth when the incident angle varies from 0° to 45°.

Keywords:

Optoelectronics
Broadband
Physics
Optics
Metamaterial absorber
Photolithography
Metamaterial
Bandwidth (signal processing)
Polarization (waves)
Angle of incidence
Tunable metamaterials
Absorption (pharmacology)
Microfluidics
Polydimethylsiloxane

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