High-efficiency aerosol scatterometer that uses an integrating sphere for the calibration of multiwavelength lidar data
Applied Optics, Vol. 44, Issue 17, pp. 3520-3526 (2005)
http://dx.doi.org/10.1364/AO.44.003520
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Abstract
For the purpose of calibrating multiwavelength lidar data, we developed a scatterometer to measure the aerosol scattering coefficient at the ground level. The system is based on an integrating sphere, cw lasers (532 and 633 nm), and a controlled flow of the ambient air, including aerosol particles. The simulation study and experimental results indicate that the detection efficiency of this instrument is approximately 10%-40% better than that of an integrating nephelometer, because of the wider acceptance angle of the scattered light. The scattering coefficients measured at the two wavelengths, as well as the resulting value of the angstrom exponent, show good correlation with the results simultaneously measured with an integrating nephelometer and an optical particle counter.
© 2005 Optical Society of America
OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(010.3640) Atmospheric and oceanic optics : Lidar
Citation
Shunsuke Fukagawa, Hiroaki Kuze, Nofel Lagrosas, and Nobuo Takeuchi, "High-efficiency aerosol scatterometer that uses an integrating sphere for the calibration of multiwavelength lidar data," Appl. Opt. 44, 3520-3526 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-17-3520
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