Qingpeng Zeng, Fangrong Hu, Yuan Zhou, Yingchang Zou, Zhiyou Wang. High Q-Value Terahertz Metamaterial Sensor Based on Double Ellipse Structure[J]. Acta Optica Sinica, 2021, 41(14): 1428001
- Acta Optica Sinica
- Vol. 41, Issue 14, 1428001 (2021)
Fig. 1. Schematic diagram of the sensor structure. (a) Structure of the sensor; (b) top view of the unit structure; (c) transmission spectrum of the sensor
Fig. 2. Influence of structural parameters on the transmission spectrum. (a) PX; (b) PY
Fig. 3. Influence of structural parameters on the sensor. (a)--(c) Influence of structural parameters on the transmission spectrum; (d)--(f) influence of structural parameters on Q value and FWHM
Fig. 4. Influence of the object to be tested on the sensing performance. (a)--(b) Influence of t on the transmission spectrum and frequency shift; (c)--(d) influence of n on the transmission spectrum and frequency shift; (e)--(f) influence of β on Q value and S
Fig. 5. Resonance mechanism. (a) Electric field distribution; (b) electric quadrupole model
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Table 1. Parameters of the optimized sensor
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