7 July 2000 Laser beacon for monitoring the mesospheric sodium layer at La Palma
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Abstract
We report the results of the first laser beacon experiment at the astronomical site of La Palma (Canary Islands). A continuous wave low power laser (a few hundreds of mW) system has been set up. The laser, tuned on the sodium D2 line at 589 nm, is launched close to zenith angle. The emission of the mesospheric sodium layer is observed from a telescope located 160 meters away from the laser. The layer is therefore resolved in altitude and the different features of its dynamics are investigated.
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Laurent Michaille, Laurent Michaille, Tony A.D. Canas, Tony A.D. Canas, Christopher Dainty, Christopher Dainty, Jonathan Maxwell, Jonathan Maxwell, Thomas S. Gregory, Thomas S. Gregory, John C. Quartel, John C. Quartel, Fred C. Reavell, Fred C. Reavell, Richard W. Wilson, Richard W. Wilson, Nicholas J. Wooder, Nicholas J. Wooder, } "Laser beacon for monitoring the mesospheric sodium layer at La Palma", Proc. SPIE 4007, Adaptive Optical Systems Technology, (7 July 2000); doi: 10.1117/12.390337; https://doi.org/10.1117/12.390337
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