Dangdang LI, Xuguang GUO. Study on terahertz wave emission from a dielectric- lens-controlled photoconductive antenna[J]. Optical Instruments, 2023, 45(5): 87
- Optical Instruments
- Vol. 45, Issue 5, 87 (2023)
Fig. 1. Principle diagram of terahertz pulse emitted by a photoconductive antenna
Fig. 2. Schematic diagram of the butterfly antenna structure
Fig. 3. Schematic of antenna beam radiation
Fig. 4. The simulated electric field distribution at 0.1 THz (the direction of the electric field follows the x -axis)
Fig. 5. The far-field simulation results of the butterfly antenna at 0.1 THz
Fig. 6. The radiation characteristics of the butterfly antenna at 0.8 THz and 1.5 THz frequencies
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Table 1. Directivity comparison of butterfly antenna and dipole antenna
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Table 2. Structural parameters of the butterfly antenna
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Table 3. Parameters of dielectric lens
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