Reference Body for VLT-DSM
Thales SESO has completed in 2010 the manufacturing of this very challenging Zerodur lightened blank. This piece (called “VLT-DSM Reference body” or also « VLT-DSM Back Plate ») will be part of the future Deformable Secondary Mirror (DSM) of one of the four Very Large Telescopes (VLT) operated by ESO.
“The art of sculpting glass”
This is one of the major Thales SESO achievements which demonstrate our capability to produce highly lightened optical parts. Many examples of this know-how can be also found in the Space optics (lien) but are needed sometime as well as for use on ground.
Thales SESO is very proud to point out that ESO has published in their own website an article illustrating this realization and named “the art of sculpting glass at Thales Seso”. See ESO website http://www.eso.org under « Announcement section » (as of September 2010).