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Proceedings Paper

Tunable Dye Lidar Techniques For Measurement Of Atmospheric Constituents
Author(s): R, D. Hake; E. K. Proctor; R, A. Long
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Paper Abstract

A tunable-wavelength lidar system has been constructed for remote probing of various species in the lower and upper atmosphere, The system consists of a flashlamp-pumped dye laser, a 16-inch Schmidt receiver, and a high-speed data-handling system, The laser is capable of delivering 0.5-J pulses with a linewidth of 0.02 A at a rate of 0.25 Hz, Pulse rates up to 1 Hz have been achieved with a somewhat larger linewidth. A survey of atmospheric constituents suitable for probing by resonant scattering has revealed that at the current level of technology only the alkaline species Na, Li, and K, and the alkaline-like ion Ca+ present reasonable prospects of successful detection, With foreseeable increases in sensitivity, measurement of other species will be possible, Potential applications of other scattering processes are under investigation, Altitude profiles of the naturally occurring sodium layer obtained during trial runs of the system show short-term variations, and the characteristic sharp fall in density on the top side of the layer.

Paper Details

Date Published: 1 May 1972
PDF: 8 pages
Proc. SPIE 0027, Remote Sensing of Earth Resources and the Environment, (1 May 1972); doi: 10.1117/12.978123
Show Author Affiliations
R, D. Hake, Stanford Research Institute (United States)
E. K. Proctor, Stanford Research Institute (United States)
R, A. Long, Stanford Research Institute (United States)

Published in SPIE Proceedings Vol. 0027:
Remote Sensing of Earth Resources and the Environment
Yale H. Katz, Editor(s)

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