Fused Silica Glass Telescope Lens

185 nm 2 1 μm uncoated focal lengths available from 4 1000 mm.

Fused silica glass telescope lens.

This non crystalline colorless silica glass combines a very low thermal expansion coefficient with good optical qualities and excellent transmittance in the. Fused silica custom sizes and radii are manufactured to your exact specifications creating a cost effective lens for your custom optical application. Our selection includes mounted and unmounted lenses fabricated from uv fused silica. Rectangular plano convex and plano concave cylindrical lenses feature λ 2 and λ 4 surface accuracy in the y and x axis respectively 40 20 scratch dig surface quality and they can be coated with a variety of multi layer antireflection coatings.

Bi concave lenses are available on request. Uvfs is synthetic amorphous silicon dioxide of extremely high purity providing maximum transmission from 195 2100 nm. Our uv fused silica plano convex lenses are available uncoated or with a variety of antireflection coatings. The material is also chemically inert up to moderate temperatures except to hydrofluoric acid which dissolves silica.

We also offer sapphire lenses silicon lenses germanium lenses sf11 lenses sf5 lenses. Fused silica glass is a very low thermal expansion material and so is extremely thermal shock resistant. China fused silica optical lens for industry find details about china qbh optical glass from fused silica optical lens for industry fuzhou o zone optics technology co ltd. Uv fused silica plano convex spherical lenses thorlabs popular plano convex lenses have a positive focal length near best form shape and can be used either for focusing collimated light or for collimating a point source.

These uncoated uv grade fused silica plano convex lenses are available in sizes ranging from ø2 mm to ø75 mm. Fused silica lenses and fused quartz lenses are made at guild optics every day. It will devitrify above about 1100 c in the presence of contaminants such as sodium phosphorus and vanadium with the.