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- Title
Polarization Lidar: Principles and Applications.
- Authors
Liu, Xudong; Zhang, Liping; Zhai, Xiaoyu; Li, Liye; Zhou, Qingji; Chen, Xue; Li, Xiaobo
- Abstract
Traditional lidar techniques mainly rely on the backscattering/echo light intensity and spectrum as information sources. In contrast, polarization lidar (P-lidar) expands the dimensions of detection by utilizing the physical property of polarization. By incorporating parameters such as polarization degree, polarization angle, and ellipticity, P-lidar enhances the richness of physical information obtained from target objects, providing advantages for subsequent information analysis. Over the past five decades, the application fields of P-lidar have rapidly expanded, starting from its early use in atmospheric remote sensing to later applications in oceanic remote sensing. This review first provides a brief introduction to the basic principles of both polarization and P-lidar, along with typical systems. It then explores the applications of P-lidar in various remote sensing fields, including atmospheric, oceanic, and terrestrial domains. Additionally, we propose potential research directions based on current cutting-edge applications, with the aims of providing critical insights to researchers in the fields of polarization and lidar and inspiring further exciting ideas.
- Subjects
LIDAR; DOPPLER lidar; REMOTE sensing; BREWSTER'S angle; LIGHT intensity; RESEARCH personnel
- Publication
Photonics, 2023, Vol 10, Issue 10, p1118
- ISSN
2304-6732
- Publication type
Article
- DOI
10.3390/photonics10101118