Ting SHANG, Zhi JIN, Chun-Hui LI, Wei SHI. Influence of inductance of photo-conductive terahertz source circuit on its radiation characteristics[J]. Journal of Infrared and Millimeter Waves, 2022, 41(4): 751
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 4, 751 (2022)
Fig. 1. PCA loading bias voltage circuit versions, (a-c) load bias voltage circuit board A, (d-e) load bias voltage circuit board B
Fig. 2. The schematic diagram of the THz-TDS
Fig. 3. GaAs PCA DC bias circuit diagram
Fig. 4. Time domain waveform and spectrum for different inductors in GaAs PCA,（a）time domain waveform for different inductors in GaAs PCA,（b）spectrum for different inductors in GaAs PCA
Fig. 5. Plot of relative radiation efficiency
Fig. 6. Comparison of THz time domain waveform and spectrum with and without the inductor, (a) time domain waveform comparison, (b) THz spectrum waveform comparison
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Table 1. Type A inductance parameters
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Table 2. The relative radiation efficiency when loading different inductors
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Table 3. Type B inductance parameters
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