All verified mentions of this organization in source documents.
Optical Surfaces Ltd. developed a new approach using a series of pre-aligned beam collimator sub-assemblies for Modulation Transfer Function (MTF) testing of large-diameter military optical systems.
Optical Surfaces Ltd. has been producing high-precision optical components and systems for nearly 60 years.
Optical Surfaces Ltd. develops and manufactures telescope spectrographs that separate light into component wavelengths to determine chemical composition, temperature, and motion of astronomical objects.
Optical Surfaces Ltd. operates an underground manufacturing and test facility where temperatures remain constant year-round and vibration is practically non-existent.
Optical Surfaces Ltd. uses topographic and fringe analysis to provide precise testing of surface roughness and to confirm the wavefront of various surface forms.
Optical Surfaces Ltd. has been producing high-precision optical components and systems for nearly 60 years.
Optical Surfaces Ltd. operates a rolling program to calibrate test optics to national standards and holds production approval to ISO 9001-2015.
Optical Surfaces Ltd.'s ISO 9001-2015 approved manufacturing workshops and test facilities are located deep underground in tunnels excavated in solid chalk.
Optical Surfaces Ltd. supplies dichroic beamsplitters with an extensive range of coatings designed to operate at the required angle of incidence.
Typical beamsplitters from Optical Surfaces Ltd. have a surface quality of 10/5.
Optical Surfaces Ltd. has been producing optical components and systems for astronomical and space research for nearly 60 years.
Optical Surfaces Ltd. routinely produces beamsplitter blanks up to 0.5 m in diameter with an ultra-high precision finish on all surfaces.
Typical beamsplitters from Optical Surfaces Ltd. are manufactured to a surface accuracy of lambda/20 peak-to-valley at 633 nm.
The ISO 9001-2015 approved manufacturing workshops and test facilities at Optical Surfaces Ltd. are located deep underground in a series of tunnels excavated in solid chalk.
The underground manufacturing and test environment at Optical Surfaces Ltd. provides naturally thermally stable temperatures and extremely low vibration.
Optical Surfaces Ltd. has invested in an extensive range of test equipment and uses established methods to ensure accurate and reliable testing of surface accuracy, quality, and slope errors.
Optical Surfaces Ltd. routinely produces large-diameter reference flats with surface roughness of less than 10 Å rms.
The 0.7 m diameter reference flat ordered from Optical Surfaces Ltd. is made of CLEARCERAM®-Z.
Optical Surfaces Ltd. has received an order from JEEWOO Photonics Ltd. to produce a 0.7 m diameter reference flat.
Optical Surfaces Ltd. routinely produces large-diameter reference flats with surface finish specifications ranging from 40/20 to 10/5 scratch/dig.