The Coating Plant for the VLT

View of the lower part of the VLT coating plant . The coating unit is a large vacuum chamber with a diameter of 9.4 meters and a volume of about 122,000 liters. The required ultra-high vacuum is generated by 8 cryo-pumps which are located on top of the vacuum chamber. The chamber is divided into two halves by a horizontal flange sealed by two large O-rings. The mirror is loaded into the lower half of the chamber onto a whiffle-tree support system with 27 axial pads and laterally secured inside the central hole by 6 pads.

Credit:

ESO

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About the Image

Id:vlt_m1_28-may1997
Type:Photographic
Release date:3 December 2009, 23:19
Size:5079 x 5042 px

About the Object

Name:Very Large Telescope
Type:• Unspecified : Technology : Observatory : Telescope
• X - Paranal

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