Material-assisted metamaterial: a new dimension to create functional metamaterial.
A high Q-value reflective type metasurface consisting of 1D Au nanorods, a SiO2spacer and a Au back reflector is demonstrated. It is shown that the sideband of the resonant mode can be suppressed as the resonant wavelength close to the phonon absorption of SiO2. By combining both designed structured resonance and inherent property of the based materials, a low angle-dependent metasurface with a Q-value of 40 has been demonstrated. The proposed structure will be useful for high sensitivity sensing and narrow band thermal emitter.
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Wei-Yi
WY
Tsai
Department of Opto-electronic Engineering, National Dong Hwa University, Hualien 97401, Taiwan.
Chih-Ming
CM
Wang
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Ching-Fu
CF
Chen
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Pin Chieh
PC
Wu
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Yi-Hao
YH
Chen
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Ting-Yu
TY
Chen
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Pei Ru
PR
Wu
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
Jia-Wern
JW
Chen
Department of Physics, National Taiwan University, Taipei 10617, Taiwan.|Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan.|College of Engineering, Chang Gung University, Taoyuan 33302, Taiwan.
Din Ping
DP
Tsai