Knight Optical now offers an optical flat reconditioning and certification service to repair optical flats that have become cloudy or otherwise damaged through normal use. In most cases reconditioning ...

Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is placed on top of ...

Optical Surfaces offers a variety of standard and custom precision flats manufactured of high-stability materials, such as glass, silica, and Zerodur glass-ceramic, in sizes ranging from 105 mm to 600 ...

Optical Surfaces Ltd has received an order from Armstrong Optical, a leading UK supplier of optical metrology instruments, to ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage ...

Manufactured using optical fused silica for extra thermal stability, the 1/20 Wave Tech Spec optical flat mirror is available coated or uncoated. The mirror's primary surface is precision ground and ...