Wenbin Han, Dehui Sun, Meng Wang, Chenzhe Li, Shouting Liu, Hong Liu. High‑Energy, Strong‑Field Terahertz Source and Lithium Niobate Crystal[J]. Chinese Journal of Lasers, 2023, 50(17): 1714003
- Chinese Journal of Lasers
- Vol. 50, Issue 17, 1714003 (2023)
Fig. 1. Diagram of phase (velocity) matching of tilted wavefront device and resulting THz wave. (a) Typical optical path; (b) tilted wavefront angle; (c) phase (velocity) matching
![Structure diagram of lithium niobate[30]. (a) Above Curie temperature; (b) below Curie temperature. Red balls represent O2-, white balls represent Li+, and green balls represent Nb5+](/richHtml/zgjg/2023/50/17/1714003/img_02.jpg)
Fig. 2. Structure diagram of lithium niobate[30]. (a) Above Curie temperature; (b) below Curie temperature. Red balls represent O2-, white balls represent Li+, and green balls represent Nb5+
![Li2O-Nb2O5 binary phase diagram[47]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Li2O-Nb2O5 binary phase diagram[47]
Fig. 4. 3 inch SLN crystal
Fig. 5. Large-aperture lithium niobate crystal. (a) z-axis 8-inch lithium niobate crystal (equal-diameter height 60 mm); (b) x-axis 8-inch lithium niobate crystal (equal-diameter height 65 mm)
Fig. 6. Phase matching, phase mismatching, and quasi-phase matching[77]
Fig. 7. Schematic diagram of generating multi-period strong-field THz radiation based on PPLN quasi-phase matching
Fig. 8. Metasurface micro-nano-processing and THz enhancement effect of lithium niobate[95]
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