Product overview

Substrate Material：UV Grade Fused Silica or BK7 0r Nd:YAG laser crystal
Surface Figure：λ/10 typical at 633nm
Transmitted wavefront distortion：λ/10 typical at 633nm
Surface Quality： 20/l0 laser quality
Diameter Tolerance： +0.0mm-0.25mm
Thickness Tolerance：  ± 0.25mm
Wedge：≤5 minutes
Chamfer：　0.25mm at 45° typical
Concentricity：　≤0.05mm
Radius Tolerance：　±0.5%
Coating Technology：Electron Beam Evaporation，Dielectric Mulitlayers
Adhesion and Durability： Per MIL-C-675A. Insoluble in lab solvents
Clear Aperture：>85% Of dimension
Angle of Incidence: 0°
WavelengthRange: 248-2l00nm
Transmittance: >97%
Reflectance: >99.8%
Laser Induced Damage Threshold: 3 J/cm2, Ins pulse，at 1064nm typical
Substrate Diameter(mm): 10, 12.7, 15, 20, 25, 25.4, 30
Note: Other dimensions and specifications are available upon requests