Caiyu Wang, Kee Yuan, Dongfeng Shi, Jian Huang, Xinxin Chen, Wei Yang, Linbin Zha. Simulation of Atmospheric Turbulence Profile Measured by Differential Wavefront Lidar[J]. Acta Optica Sinica, 2021, 41(10): 1001002
- Acta Optica Sinica
- Vol. 41, Issue 10, 1001002 (2021)
Fig. 1. Schematic diagram of optical path of differential wavefront lidar
Fig. 2. Emitting beam at z=0. (a) Two-dimensional view; (b) three-dimensional view
![Sampling analysis for vertical propagation [region that satisfies formula (15) is below solid line, while region between two dashed lines satisfies formula (17). Because lower limit of δn is too small, it is not shown in Fig. 3. X marks chosen values of δ1 and δn]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Sampling analysis for vertical propagation [region that satisfies formula (15) is below solid line, while region between two dashed lines satisfies formula (17). Because lower limit of δn is too small, it is not shown in Fig. 3 . X marks chosen values of δ1 and δn]
Fig. 4. One of phase screens generated by Fourier transformation method augmented with subharmonics
Fig. 5. Scintillation index varying with detection height
Fig. 6. Intensity distributions of laser beam on vertical propagation path for 4 transmissions. (a) 1 km; (b) 2 km; (c) 4 km; (d) 8 km
Fig. 7. Incoherent imaging spots of double aperture telescope in vertical direction. (a) 1 km; (b) 2 km; (c) 4 km; (d) 8 km
Fig. 8. Single imaging spot at different transmission distances in vertical path. (a) Diameter of imaging spot for different transmission times and different transmission distances; (b) mean diameter of imaging spot varying with detection height
Fig. 9. Retrieval results. (a) Profile of jitter variance of imaging spot centroid of differential wavefront lidar; (b) profile of atmospheric coherence length; (c) profile of atmospheric refractive index structure constant
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Table 1. Parameters of transmitting and receiving systems of differential wavefront lidar
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