As anyone who has recently tried out an augmented reality headset knows, the technology is not yet ready to be part of our everyday lives. Researchers have been working to perfect high-performing ...

Scientists have been presenting evidence that the Earth is round for well over 2,000 years. Yet flat-Earthers remain unconvinced, with some willing to go to the end of the Earth to prove their point.

The study has been published in the journal Nature Communications. To control light, curved lenses are used today, which are often made of glass that is either concave or convex, which refracts the ...

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 ...

Optical Surfaces Ltd. is a leading supplier of ultra-high precision optical flats to research establishments and national standards laboratories worldwide. Using highly stable optical materials such ...

Single sided optical flats are used as a reference (test plate) against which the flatness of an unknown surface can be compared. Advanced Optics offers single sided optical flats made of low ...

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 ...

Darren Wiles, R&D Manager at Armstrong Optical commented “Reference flat interferometry is a trusted optical metrology technique used in defence applications for testing the integrity, flatness, and ...

Optical Surfaces Ltd. has received an order from JEEWOO Photonics Ltd. to produce a 700mm diameter reference flat, a key component in an optical test system being developed for a space optics ...