Fabry-Perot Etalons
The essential component of many advanced interferometric techniques is a pair of precisely matched optical flats coated to give high resolution in the spectral range of interest. Optical Surfaces can supply matched pairs up to 150mm diameter with matching accuracy’s to lambda/300 with ring spacers or with optically contacted spacers.
Flats
Optical Surfaces supply reference flats world-wide and regularly supply precision alignment devices for optical and engineering purposes. Our thermally stable environment makes us pre-eminent in flat measurement technology.
Windows
Windows are produced for aerial surveillance and reconnaissance, in particular infrared systems in material such as zinc sulphide or germanium. Debris shields with high diameter to thickness ratio and radiation windows of irregular profile are also available.
Dimensions:Up to 1.5 metres
Surface accuracy:lambda/100
Surface quality:20:10
Surface roughness:1nm RMS
Materials:Glass, ceramic, silica