Xinlong XU, Mingjian SHI, Yuanyuan HUANG, Huibiao LIU, Yongzhen XIONG. Terahertz wave radiation characteristics and enhancement based on metamaterials[J]. Optical Instruments, 2024, 46(3): 1
- Optical Instruments
- Vol. 46, Issue 3, 1 (2024)
Fig. 1. The unit structure and THz wave generation diagram of L shape metamaterial
Fig. 2. The linear and nonlinear optical responses of monolayer L shape metamaterial
Fig. 3. Linear optical response of L shaped metamaterial covered with the same direction SRRs and the reverse direction SRRs
Fig. 4. THz waves generated by different metamaterials and polarization angle dependence
Fig. 5. The THz amplitudes as a function of the geometric size of metamaterials and the pulse width of the femtosecond pulse light
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Table 1. THz wave polarization modulation depth of different materials
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