Fused silica optical window

BK7

Warranty: 3 months Customized support: OEM Place of Origin: Jilin, China Brand Name: YT Model Number: YT-step lens Use: Optical Structure: Singlet Shape: Spherical Size: None Weight: 0.05 Product name: Step Window Lens Step Glass Material: BK7/Fused silica/IR material Diameter: 0.45-400mm Focal length: as request Surface quality: 40/20 Scratch/dig Flatness: L/4 Centration: 3 arc minutes Tolerance: +-0.1mm Chamfer: 0.25mm*45 degree Coating: AR coating@440-700nm or others Optical glass step glass window lens The step glass lenses/windows are used in a wide variety of applications where spectral isolation is required. They are widely used in electro-optics, aerospace, bio-medical areas. We can custom made according to customer's requirements. The two round surfaces of the stepped windows will be polished or coating as requirements. Other surfaces only to be grinding.