The VLTI Delay Line

Schematic representation of the VLTI Delay Line, showing the retro-reflector on its moving base. The Delay Line is a mechanical-optical system that will compensate the optical path differences of the light beams from the individual telescopes. Such a system is necessary to ensure that the light from all telescopes arrive in the same phase at the focal point of the interferometer. Otherwise, the very sharp interferometric images cannot be obtained.

Credit:

ESO

Over de afbeelding

Id:eso9811a
Type:Ontwerp
Publicatiedatum:11 maart 1998
Gerelateerde berichten:eso9811
Grootte:844 x 535 px

Over het object

Naam:Very Large Telescope Interferometer
Type:Unspecified : Technology : Observatory : Telescope
Categorie:Illustrations
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