The Hi-Speed DM37 deformable mirror from Alpao (Biviers, France) has a clear aperture of 7.5 mm but a large stroke of more than ±35 μm for astigmatism and focus wavefront correction ...

This is the metadata section. Skip to content viewer section. ABSTRACT The Large Zenith Telescope is a 6 m optical telescope employing a rotating primary mirror coated with a film of liquid mercury.

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