Lele Cai, Lei Liu, Qingwei Zeng, Wei Liu, Yanan Xiao. Calibration and Observation of Lightweight Cloud Particle Imager[J]. Acta Optica Sinica, 2025, 45(6): 0604001
- Acta Optica Sinica
- Vol. 45, Issue 6, 0604001 (2025)
Fig. 1. Introduction of LCPI. (a) Work principle of LCPI; (b) measurement results of LCPI (the particles without the red box line are spherical particles, and the particles in the red box line are ice crystal particles)
Fig. 2. Structure diagram of ring light source. (a) Front view; (b) side view
Fig. 3. Calibration device diagram
Fig. 4. Variation of lens magnification with diameter
Fig. 5. Particle size measurement results under cloudy, sunny, and night conditions
Fig. 6. Comparison of measured particle size under cloudy, sunny, and night conditions with standard particle size
Fig. 7. Size of the sampling space within 1 s of each bin
Fig. 8. Installation position of the experimental instrument
Fig. 9. Observation results of contrast experiment. (a) Visibility (V); (b) particle number density (N); (c) volumetric water content (VWC); (d) mean diameter (MD); (e) temperature (T) and relative humidity (RH); (f) wind speed (WS) and wind direction (WD)
Fig. 10. Particle distribution spectra. (a) LCPI; (b) FM-120
Fig. 11. Consistency analysis results. (a) N; (b) VWC; (c) MD
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