Acta Optica Sinica, Volume. 42, Issue 6, 0609001(2022)

Dispersion of Cloud Droplet Based on Pulsed Digital Holographic Interferometry

Yangzi Gao1, Jun Wang1、*, Jiabin Tang1, Jingjing Liu1, Qing Yan1, and Dengxin Hua1
Author Affiliations
  • 1School of Mechanical and Precision Instrument Engineering, Xi′an University of Technology, Xi′an, Shaanxi 710048, China
  • 1School of Mechanical and Precision Instrument Engineering, Xian University of Technology, Xian, Shaanxi 710048, China
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    Figures & Tables(11)
    Experimental setup for pulsed DHI system
    Reproducing holograms of USAF1951 resolution plates at different locations. (a) 0; (b) 6 mm; (c) -6 mm
    Reconstruction process and results of different particles. (a) Reconstruction process and results of 2 μm particles; (b) reconstruction results of 10 μm particles; (c) reconstruction results of 20 μm particles
    Process of layered reconstruction of digital hologram and recognition process of cloud droplets
    Comparison of DMVD observation results of DHI and FM-120
    Three-dimensional distribution of cloud droplets in 3rd min in first experiment
    Spectral distribution of cloud droplets at different time in three experiments. 1st experiment, (a) 30 s, (b) 60 s, and (c) 90 s; 2nd experiment, (d) 30 s, (e) 60 s, and (f) 90 s; 3rd experiment, (g) 30 s, (h) 60 s, and (i) 90 s
    Statistical results of cloud droplet spectrum data. (a) Number concentration distribution of nine channels; (b) proportions of three particle sizes
    Results of cloud microphysical parameters in three experiments. (a) Nc; (b) DMVD; (c) CLWC
    Comparison results of cloud microphysical parameters and dispersion. Generation stage, (a) numerical concentration and dispersion, (b) average diameter and dispersion, and (c) water content and dispersion; dispersion stage, (d) numerical concentration and dispersion, (e) average diameter and dispersion, and (f) water content and dispersion
    Dispersion curve of cloud droplet spectrum under different cloud droplet concentration in stage of cloud formation
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    Yangzi Gao, Jun Wang, Jiabin Tang, Jingjing Liu, Qing Yan, Dengxin Hua. Dispersion of Cloud Droplet Based on Pulsed Digital Holographic Interferometry[J]. Acta Optica Sinica, 2022, 42(6): 0609001

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    Paper Information

    Category: Holography

    Received: Nov. 15, 2021

    Accepted: Dec. 30, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Wang Jun (wangjun790102@xaut.edu.cn)

    DOI:10.3788/AOS202242.0609001

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