The Impact of Typical Aerosol Types on Polarization Sensitive Spectral for Bionic Micro-Nano Polarization Sensor

Liu, Qi; Guan, Lu; Li, Bin; Wang, Jing; Chu, Jin Kui

doi:10.4028/www.scientific.net/kem.609-610.988

KEM

2014

DOI: 10.4028/www.scientific.net/kem.609-610.988

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The Impact of Typical Aerosol Types on Polarization Sensitive Spectral for Bionic Micro-Nano Polarization Sensor

Qi Liu

Lu Guan

Bin Li

et al.

Abstract: Based on the OPAC (Optical Properties of Aerosols and Clouds) database, the impact of 8 typical aerosol types on the skylight polarization sensitive is researched. By combining the impact of cloud, the correction between aerosol and the polarization sensitive spectral of insects is analyzed. It can predict the polarization properties of different areas and provide the theoretical basis for the application of bionic micro-nanopolarization sensor.

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2023

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Impact of aerosols on the polarization patterns of full-sky background radiation

Li,

Wang,

Dai

et al. 2023

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Regarding aerosol particle-laded turbid atmospheres, full-sky background radiation polarization patterns can be adversely affected, an important factor limiting their effective near-ground observation and acquisition. We established a multiple-scattering polarization computational model and measurement system and conducted the following three tasks. (a) We thoroughly analyzed the impact of aerosol scattering characteristics on polarization distributions, calculating the degree of polarization (DOP) and angle of polarization (AOP) patterns for a more comprehensive set of atmospheric aerosol compositions and aerosol optical depth (AOD) values than calculated in previous studies. (b) We assessed the uniqueness of the DOP and AOP patterns as a function of AOD. (c) By employing a new polarized radiation acquisition system for measurements, we demonstrated that our computational models are more representative of the DOP and AOP patterns under actual atmospheric conditions. We found that under a clear sky without clouds, the impact of the AOD on the DOP was detectable. With increasing AOD, the DOP decreased, and the decreasing trend became increasingly obvious. When the AOD was above 0.3, the maximum DOP did not exceed 0.5. The AOP pattern did not change notably and remained stable, except for the contraction point at the sun position under an AOD of 2.

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Impact of aerosols on the polarization patterns of full-sky background radiation

Li,

Wang,

Dai

et al. 2023

Opt. Express

View full text Add to dashboard Cite

show abstract

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The Impact of Typical Aerosol Types on Polarization Sensitive Spectral for Bionic Micro-Nano Polarization Sensor

Cited by 1 publication

References 9 publications

Impact of aerosols on the polarization patterns of full-sky background radiation

Impact of aerosols on the polarization patterns of full-sky background radiation

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