Laser cloud particle imaging probe

SHI Xiaoding; FENG Litian; LIU Ying; YANG Zehou; WU Bo; SHI Lei

doi:10.7510/jgjs.issn.1001-3806.2023.01.010

LASER TECHNOLOGY > 2023 > 47(1): 67-72. > DOI: 10.7510/jgjs.issn.1001-3806.2023.01.010

SHI Xiaoding, FENG Litian, LIU Ying, YANG Zehou, WU Bo, SHI Lei. Laser cloud particle imaging probe[J]. LASER TECHNOLOGY, 2023, 47(1): 67-72. DOI: 10.7510/jgjs.issn.1001-3806.2023.01.010

Citation:

SHI Xiaoding, FENG Litian, LIU Ying, YANG Zehou, WU Bo, SHI Lei. Laser cloud particle imaging probe[J]. LASER TECHNOLOGY, 2023, 47(1): 67-72. DOI: 10.7510/jgjs.issn.1001-3806.2023.01.010

Citation:

SHI Xiaoding, FENG Litian, LIU Ying, YANG Zehou, WU Bo, SHI Lei. Laser cloud particle imaging probe[J]. LASER TECHNOLOGY, 2023, 47(1): 67-72. DOI: 10.7510/jgjs.issn.1001-3806.2023.01.010

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Laser cloud particle imaging probe

1.
Southwest Institute of Technical Physics, Chengdu 610041, China
2.
College of Resources and Environmental Engineering, Sichuan Water Conservancy College, Chengdu 611830, China
3.
College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China

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Received Date: November 29, 2021
Revised Date: January 03, 2022
Published Date: January 24, 2023

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Abstract

Abstract

For studying the micro features of cloud particles, a laser cloud particle imaging probe was developed by using laser imaging technology, homogenizing technology of Gaussian beam, and a high resolution array detector and a frame-extracting algorithm of image. The performance of the instrument was tested through simulation measure and actual flight experiment. The results show that for cloud particles of 25 μm~1550 μm with 25 μm resolution can be imaged with the developed instrument, and the error of particle-size measured is less than 9.5%. The particle shape of ice crystal watched conforms to the natural distribution of cloud particles, the particle-size distribution conforms to the exponential function with a determination coefficient between 0.58 and 0.97.The developed instrument can provide basic observation data for the study of cloud and precipitation microphysics.
- laser technique,
- cloud particle probe,
- linear array imaging,
- scale spectrum

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References (20)

References

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