Figure 5 | Scientific Reports

Figure 5

From: Imaging atmospheric aerosol particles from a UAV with digital holography

Figure 5

Survey of a variety of suspended atmospheric aerosol particles imaged in situ with the HAPI instrument. (ac) Hologram-derived images of aerosol particles observed in the road dust field trial. (d) Scanning electron microscope (SEM) image of particles collected from the road dust site. (eg) Same as (ac) except for aerosol particles observed in the spruce tree trial. (h) SEM image of pollen particles collected from the spruce tree. Each image shows a different field of view and all scale bars are 100 \(\mathrm{\mu m}\). Qualitative comparison of the aerosol particle images with the SEM images supports an identification of the road dust particles as MD and of the spruce tree particles as pollen grains.

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