Qi-yuan MU, Yuan-feng ZHU, Lu XUE, Ya-ni ZHANG, De-peng KONG, Zheng-quan HE, Hong-jun LIU, Li-li WANG. Research on Partial Negative Curvature Terahertz Hollow-core Waveguide[J]. Acta Photonica Sinica, 2020, 49(9): 0923001
- Acta Photonica Sinica
- Vol. 49, Issue 9, 0923001 (2020)
Fig. 1. Image of hollow-core terahertz waveguide structure with partial negative curvature
Fig. 2. Power distribution of x and y polarization modes at 0.35 THz
Fig. 3. The loss of x and y polarization modes versus frequency
Fig. 4. Test and schematic diagram of terahertz time-domain spectroscopy system
Fig. 5. Frequency domain signal with two-length waveguide rotating at 0°, 180°, and 360°
Fig. 6. Frequency domain signal with two-length waveguide rotating at 90°, 270°
Fig. 7. The experimentally measured loss of x and y polarization modes
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