Yingjie Shen, Chuanpeng Qian, Xiaoming Duan, Ruijun Lan, "High-power long-wave infrared laser based on polarization beam coupling technique," High Power Laser Sci. Eng. 8, 02000e12 (2020)
- High Power Laser Science and Engineering
- Vol. 8, Issue 2, 02000e12 (2020)
Fig. 1. ZGP crystal angular tuning curves for type-I and type-II phase matching.
Fig. 2. Schematic diagram of the far-infrared laser system: (a) linear OPO resonator; (b) ring OPO cavity; (c) OPA system.
Fig. 3. Output performance of the ring OPO and cascaded OPA system.
Fig. 4. Output performance of the linear OPO.
Fig. 5. Output performance with the use of a thin polarized plate; inset shows an oscilloscope profile at the maximum output power.
Fig. 6. Output spectrum of the far-infrared laser.
Fig. 7. The beam quality of the far-infrared laser.
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