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Category : Optics (components, coatings, instruments and systems) > Custom optics, OEM
SILIOS Technologies provides Phase Screens to ESO
The French company SILIOS technologies continues its development in the field of micro-optical components (diffractive optical elements, phase or amplitude plates and mirrors).
It has just delivered Phase Screens to E.S.O (European Southern Observatory) for the simulator of atmospheric turbulences MAPS (Multi-Atmospheric Phase Screen and Stars). This tool simulates the atmosphere disturbances to the zenith of the VLT and thus makes it possible to test adaptive optics systems in laboratory before their installation in Chile. The phase profiles are encoded on 100-mm diameter substrates and etched between 32 to 64 levels. The amplitude of the phase variations (peak to valley) reaches 8 microns. These screens allow to work in a broad range of wavelengths (500-2500 nm) with a very good transmission (T>84% without anti-reflecting treatment) and a reduced chromaticity (n ~2% on the spectral range). Lastly, because of their design, they are very stable and time reliable.
Three other European laboratories in Astronomy also placed order to SILIOS for this type of products.
The company makes profitable this knowledge to produce mirrors and phase plates in the high power lasers field. It provides components for spatial intra or extra laser cavity beam shaping, passive correction of wavefront or beam homogenisation.
Article from SILIOS TECHNOLOGIES
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