Spectrograph optics for astronomical telescopes

Spectrograph optics for astronomical telescopes

Optical Surfaces Ltd is a leading producer of ultra-high precision optical components and systems for telescope spectrographs. The main function of a telescope spectrograph is to separate light into its component colours (or wavelengths) to reveal information about...
Proprietary technique produces ultra smooth laser mirrors

Proprietary technique produces ultra smooth laser mirrors

Optical Surfaces Ltd. has pioneered a pitch-polishing technique, that produces consistently low surface microroughness on off-axis parabolic mirrors used as key focusing elements for high power laser experiments. Microroughness is a component of surface texture, it...
Improving telescope vision with artificial guide stars

Improving telescope vision with artificial guide stars

Optical Surfaces Ltd report supply of fourteen 100mm diameter field selector mirrors and a 400mm diameter reference flat to TNO (Delft, Netherlands) for a Laser Launch System designed to improve telescope vision with artificial guide stars. Designed and built by ESO...