Aerosol particle measurement system based on off-axis digital holography

Weinan Zhao; Baosheng Li; Xiaoxue Zhang; Xinfei Wang

doi:10.1117/12.2552223

31 January 2020 Aerosol particle measurement system based on off-axis digital holography

Weinan Zhao, Baosheng Li, Xiaoxue Zhang, Xinfei Wang

Proceedings Volume 11427, Second Target Recognition and Artificial Intelligence Summit Forum; 1142728 (2020) https://doi.org/10.1117/12.2552223
Event: Second Target Recognition and Artificial Intelligence Summit Forum, 2019, Changchun, China

Abstract

Atmospheric aerosol refers to the stable mixing system composed of solid and liquid particles evenly dispersed in the atmosphere, and the particles are collectively referred to as aerosol particles. Aerosol particle detection is an important aspect of environmental monitoring. With the development of computer technology and holographic technology, the resolution of holographic measurement technology continues to improve. At present, digital holography can be used to measure the tiny displacement, deformation and vibration of opaque objects. In this paper, aluminum oxide powder is used to simulate aerosol particles. Aerosol particles are recorded by digital holography and holograms of aerosol particles are obtained. Finally, the shape and size of aerosol particles can be obtained.

Citation Download Citation

Weinan Zhao, Baosheng Li, Xiaoxue Zhang, and Xinfei Wang "Aerosol particle measurement system based on off-axis digital holography", Proc. SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 1142728 (31 January 2020); https://doi.org/10.1117/12.2552223

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