Xiaoqing Li, Jianyong Cao, Zhoulin Ding, Xiaoling Ji. Thermal Blooming Effect of Flat-Topped Laser Beam Array Propagating Through Atmosphere[J]. Acta Optica Sinica, 2019, 39(1): 0126020
- Acta Optica Sinica
- Vol. 39, Issue 1, 0126020 (2019)
Fig. 1. Intensity distribution of flat-topped laser beam array at source plane. (a) 3D distribution; (b) 2D distribution
Fig. 2. Intensity distributions in x direction of a flat-topped beam at source plane
Fig. 3. Intensity distributions of flat-topped laser beam array for coherent beam combination at target plane. (a1) In free space, N=1; (a2) in free space, N=2; (a3) in free space, N=10; (b1) in atmosphere, N=1; (b2) in atmosphere, N=2; (b3) in atmosphere, N=10
Fig. 4. Intensity distributions of flat-topped laser beam array for incoherent beam combination at target plane. (a1) In free space, N=1; (a2) in free space, N=2; (a3) in free space, N=10; (b1) in atmosphere, N=1; (b2) in atmosphere, N=2; (b3) in atmosphere, N=10
Fig. 5. Variation of beam center of gravity x- with beam order N
Fig. 6. Variation of peak Strehl ratio Sr with beam order N
Fig. 7. Variation of beam width w with beam order N
Fig. 8. Variation of propagation efficiency η with beam order N
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