Specifications

Substrate Material

UV Grade Fused Silica or BK7 or Nd:YAG laser crystal

Surface Figure

λ/10 typical at 633nm

Transmitted Wavefront

λ/10 typical at 633nm

Surface Quality

10/5 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 dimensions

Angle of Incidence

0＜

Wavelength Range

248~2100nm

Transmittance

>97%

Reflectance

>99.8%

Laser Induced Damage Threshold

5J/cm², 1 ns pulse, at 1064nm typical

Substrate Diameter(mm)

10, 12.7, 15, 20, 25, 25.4, 30

Note: Other dimensions and specifications are available upon request.