Page 3 - 60-40 scratch-dig Flat Windows

Watch case window made out of flat sapphire glass. High surface flatness and scratch-dig can be achieved. 

Specifications

Substrate Material: Sapphire
Antireflection Coating: Coated
Diameter: 100 mm
Surface Quality: 40-20 scratch-dig, 60-40 scratch-dig, 80-50 scratch-dig
Surface Flatness: Not Specified
Union Optic offers laser protection window for applications which require protecting laser output. High damage threshold (>15J/cm2) AR coating on both sides can minimize the reflections. These windows are used in front of lasers for material processing in order to protect the laser optics from hot material drops.

Specifications

Substrate Material: N-BK7, Fused Silica
Antireflection Coating: Coated
Diameter: 25.4 mm
Surface Quality: 60-40 scratch-dig
Surface Flatness: 1 lambda
Windows are widely used on optical system. There can be extreme differences of temperature, pressure, humidity and other parameters on either side of the windows. The optical, mechanical and thermal properties of the windows must be considered according intended use. We offer a range of optical quality windows including BK7 ...

Specifications

Substrate Material: N-BK7
Antireflection Coating: Uncoated
Diameter: 12.7 mm
Surface Quality: 60-40 scratch-dig
Surface Flatness: 1 lambda