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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper CWJ1

Simultaneous temperature and wind measurements in the 80-110 km region with a sodium lidar

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Abstract

A pulsed (5-ns), narrow-band (135-MHZ) laser system operating at 589.1 nm has been used to excite naturally occurring sodium atoms in the mesopause region of the atmosphere (80-105 km). By monitoring the ratio of fluorescence intensities excited at frequencies sensitive to Doppler-broadening (temperature changes), at vc = 188 MHZ (crossover resonance) and va =−652 MHZ (D2a peak) measured from the Na D2 transition at 589.1 nm, the profiles of atmospheric temperature and Na density in the mesopause region (80-110 km) can be measured by such a lidar from ground.1,2

© 1995 Optical Society of America

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