Spoof surface plasmons resonance effect and tunable electric response of improved metamaterial in the terahertz regime
Wang Yue†a),b), Zhang Li-Yingb), Mei Jin-Shuoa), Zhang Wen-Chaoa), Tong Yi-Jingc)
(a) Time domain wave forms of THz pulses for the reference and the sample, without and with photo-excitation. (b) Corresponding Fourier-transform amplitude spectra of the reference pulse and the sample pulses.