Substrate Materials
- BK7, UV Fused Silica, CaF2, MgF2, Sapphire or customized materials
Followe types of lenses are available
Specifications
|
Material
|
BK7 UV fused Silica
|
CaF2, MgF2
|
Surface Quality
|
20/10 S/D
|
20/10 S/D
|
Flatness
|
Lambd/10@ 633nm
|
Lambda/10@633nm
|
Dimensional Tolerance
|
+0.00mm, -0.20mm
|
Thickness Tolerance
|
±0.20mm
|
Chamfer
|
0.3x45degree
|
Concentricity
|
<0.05mm
|
Clear Aperture
|
85% of dimension
|
AR Coatings
|
Single Wavelength: R<0.20 (;R<0.1% available)
|
Broadband AR: R avg<0.50%
|
Dual Wavelength: Customized
|
Damage Threshold
|
>10J/cm2, 8nsec pulse; 500MW/cm2, CW at 1064nm
|
Note: The custom specifications are available upon customer's request.