Can SUN, Xu WU, Jing WU, Jiawei LI, Wenli LIU, Ping LIANG. Design of double opening needle point for terahertz metamaterial sensor[J]. Optical Instruments, 2023, 45(6): 8
- Optical Instruments
- Vol. 45, Issue 6, 8 (2023)
Fig. 1. The bimaterial biosensor with double open square ring and double needle tip structure
Fig. 2. The surface electric field intensity distribution of resonance frequency corresponding to different tip angles
Fig. 3. Resonant frequency curve corresponding to different needle angle
Fig. 4. Position change curve of needle tip angle and harmonic frequency
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Table 1. Calculation of Q
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