Four Laser Guide Star Facility at the VLT, illustration

Numéro d’image : 12347631
Four Laser Guide Star Facility at the VLT, illustration
Four Laser Guide Star Facility at the VLT. Illustration of artificial laser stars (orange beams) rising from a unit of the European Southern Observatory's VLT (Very Large Telescope), Cerro Paranal, Chile. By focusing on the artificial guide stars in the form of the laser beams, VLT telescopes are calibrated to remove the effects of the atmosphere on observations, a process known as adaptive optics. This is Unit Telescope 4, with the lasers produced by the VLT's 4 Laser Guide Star Facility, which was switched on in April 2016. These are the most powerful laser guide stars ever used for astronomy and mark the first use of multiple laser guide stars at ESO. The labelled components include Raman lasers, reference lasers, pump lasers, and the beam control and frequency doubler mechanisms.
Licence : Droits gérés
Crédit: Science Photo Library / EUROPEAN SOUTHERN OBSERVATORY / L. Calcada
Taille de l’image : 5288 px × 3305 px
Model Release : Non requis
Property Release : Non requis
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  • This image may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

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