, Volume 55, Issue 1, pp 41-45

Measurements of toluene and other aromatic hydrocarbons by differential-absorption LIDAR in the near-ultraviolet

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Abstract

The first measurements of toluene by differential-absorption LIDAR in the near-ultraviolet spectral region are reported. A pulse energy of 4.5 mJ was used for the measurement, generated by frequency-doubling the output from a tunable dye laser in beta-barium borate. The magnitude of spectral interference from other pollutant species has been calculated and the extension of the system to measure other aromatic hydrocarbons in the same spectral region is discussed.