Measuring the reflectivity of the 8.2-m zerodur mirror
The reflectivity of the fresh aluminium layer is measured. A consistent value of about 92 percent was found - this is excellent and indicates full success of the complex coating process.
Credit:ESO
About the Image
Id: | eso9950l |
Type: | Photographic |
Release date: | 3 December 1999 |
Related releases: | eso9950 |
Size: | 1280 x 960 px |
About the Object
Name: | Mirror, Very Large Telescope |
Type: | Unspecified : Technology : Observatory : Telescope |
Category: | Paranal |