Bin Zhang, Boyu Tian, Ting He, Xiaomin Zhang. Beam quality analysis of solid-state zigzag tube lasers for long-distance propagation in atmosphere[J]. High Power Laser and Particle Beams, 2021, 33(8): 081007
- High Power Laser and Particle Beams
- Vol. 33, Issue 8, 081007 (2021)
![[in Chinese]](/richHtml/qjglzs/2021/33/8/081007/img_01.jpg)
Fig. 1. [in Chinese]
Fig. 1. Schematic illustration of solid-state zigzag tube lasers (SSZTLs) correction based on the right-angle conical deformable mirror (RCDM)
Fig. 2. Schematic illustration of obscuration ratio transformation system
Fig. 3. Schematic illustration of beam propagation in perturbated medium
Fig. 4. Intensity distribution of SSZTLs after transformation
Fig. 5. Intensity distribution of annular laser beam on target plane after 5 km propagation in free space with (a) concentricity error Δx =1 μm; (b) parallelism error of tube Δθ =20 μrad; (c) taper error Δa =200 μrad; (d) parallelism error of source Δθ s=100 μrad; (e) errors。
Fig. 6. Beam quality of annular laser beams before and after correction
Fig. 7. Intensity distribution of annular laser beam on target plane after 5 km propagation in turbulence: (a) C n 2=1×10−14; (b) C n 2=1×10−15.
Fig. 8. Variation of
and Δr of laser beam for different propagation distance
光斑平均半径
和质心漂移Δr 随传输距离的变化
Fig. 9. Intensity distribution of high-power annular laser beam on target plane after 5 km propagation (steady-state thermal blooming)
Fig. 10. Variation of
and Δr of laser beam for different propagation distance (with correction by right-angle conical deformable mirror)
光斑平均半径
和质心漂移Δr 随传输距离的变化（直角锥面变形镜校正）
Fig. 11. Variation of
and Δr of laser beam for different propagation distance (with correction by 137-unit deformable mirror)
靶面光斑平均半径
和质心漂移Δr 随传输距离的变化（137单元变形镜校正）
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