VLT Adapter - Rotators

VLT Adapter - Rotators

VLT Adapter – Rotators

AMOS got the order from the European Southern Observatory (ESO) for the up dating of the ESO drawings, for the realisation and the tests of the 12 Adapter-Rotators (8 Nasmyth and 4 Cassegrain Adapter-Rotators) for the Very Large Telescope project.
The ESO Very Large Telescope consists of an array of four 8 meter Unit Telescopes, each of which has two Nasmyth foci and a Cassegrain focus. Each focus is equipped with an Adapter-Rotator which provides functions necessary for the fine position control of the telescope and for optimising the optical quality of the telescope. The Adapter-Rotator also forms the mechanical interface between the telescope and the scientific instruments. They are basically annular in shape to allow the light from the telescope beam to pass through the centre to the instrument.
The position control functions are contained within a mechanical assembly called Adapter and the instrument interface assembly is called the instrument Rotator.
Together they form an integral unit which is referred to as the Adapter-Rotator. The Nasmyth and the Cassegrain Adapter-Rotators are not identical in size but have a similar function.

  • Nasmyth: 2 400 mm diameter; 3 500 kg
  • Cassegrain: 1 700 mm diameter; 1 500 kg



 ON FOCUS - Diamond Turning

Advanced Mechanical and Optical Systems (AMOS) manufactures small optical pieces by diamond turning mainly for infrared applications but also, after post polishing, for visible or ultraviolet. Concave or convex mirrors up to 500mm can be machined with extreme asphericities....


Press release - Sentinel 2B - March 2017

Sentinel 2B: Belgian know-how soon in orbit to protect and serve the people  


Really sharp

 « Really Sharp » are the first words that came up after viewing the first pictures !


Press Release - Juno - Sept 2016

Juno spacecraft: AMOS’ mirrors in orbit around Jupiter