Product Main

Specifications

1.BK7 Plano-Convex Cylindrical Lenses

Material:  BK7 grade A optical glass
Design Wavelength: 632.8nm.
Design Index : n=1.5147
Surface Figure: x:λ/2; y:2λ
Dimension Tolerance: ±0.2mm
Paraxial Focal Length:±2%
Centration :3 arc minutes
Clear Aperture :>80%
Surface Quality: 60-40 scratch and dig
Bevel:  0.25 mm × 45°

2.BK7 Plano-Concave Cylindrical Lenses

Material:BK7 grade A optical glass
Design Wavelength:632.8nm.
Design Index : n=1.5147
Surface Figure: x:λ/2; y:2λ
Dimension Tolerance: ±0.2mm
Paraxial Focal Length:±2%
Centration :3 arc minutes
Clear Aperture :>80%
Surface Quality: 60-40 scratch and dig
Bevel:  0.25 mm × 45°

3.Fused Silica Plano Convex/concave Cylindrical Lens

Material: UV Grade Fused Silica
Design Wavelength: 632.8nm.
Design Index: n=1.45702±0.00005
Surface Figure: x:λ/2; y:2λ
Dimension Tolerance: ±0.2mm
Paraxial Focal Length: ±2%
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Quality: 60-40 scratch and dig
Bevel: 0.25 mm × 45°