Monitoring of laser guide star and light pollution

Details Monitoring of laser guide star and light pollution Monitoring of laser guide star and light pollution

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999spie.3763...50a&link_type=abstract

Proc. SPIE Vol. 3763, p. 50-60, Propagation and Imaging through the Atmosphere III, Michael C. Roggemann; Luc R. Bissonnette; Ed

Physics

Optics

Scientific paper

The optical backscatter of the 4W CW laser used to produce a mesospheric sodium-layer laser guide star for the MPE adaptive optics system (ALFA) has been observed from a neighboring 2.2 m telescope. The observations, taken at the Max Planck Observatory in Calar-Alto (Spain), in August 1998, had two aims: study the Na plume (altitude and profile variations) and the Rayleigh cone to achieve Rayleigh scattering measurements. In the framework of the network, `Laser Guide Star for 8 m class telescopes', a program of the European Commission, ESO, MPE and NUI, Galway are collaborating on studying the light pollution due to the MPE ALFA laser.

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