| Issue |
EPJ Web of Conferences
Volume 119, 2016
The 27th International Laser Radar Conference (ILRC 27)
|
|
|---|---|---|
| Article Number | 23003 | |
| Number of page(s) | 4 | |
| Section | Poster Session (Aerosol Observations and Retrievals II) | |
| DOI | https://doi.org/10.1051/epjconf/201611923003 | |
| Published online | 07 June 2016 | |
https://doi.org/10.1051/epjconf/201611923003
Concept Design of a Multiwavelength Aerosol Lidar System With Mitigated Diattenuation Effects and Depolarization-Measurement Capability
1 RSLab, Department of Signal Theory and Communications, Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
2 Institut d’Estudis Espacials de Catalunya (IEEC), Barcelona, Spain
* Email: comeron@tsc.upc.edu
Published online: 7 June 2016
It is known that the retrieval of aerosol extinction and backscatter coefficients from lidar data acquired through so-called total-power channels – intended to measure the backscattered power irrespective of the polarization – can be adversely affected by varying depolarization effects produced by the aerosol under measurement. This effect can be particularly noticeable in advanced multiwavelength systems, where different wavelengths are separated using a system of dichroic beam splitters, because in general the reflection and transmission coefficients of the beam splitters will be different for fields with polarization parallel or perpendicular to the incidence plane. Here we propose a setup for multiwavelength aerosol lidars alleviating diattenuation effects due to changing depolarization conditions while allowing measure linear depolarization.
© Owned by the authors, published by EDP Sciences, 2016
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