Specifications | Substrate Material | UV Grade Fused Silica or BK7 | Surface Figure | λ/10 typical at 633nm | Transmitted wavefront distortion | 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 dimension | Angle of Incidence | 0° | Laser Induced Damage Threshold | 10J/cm2, 1064nm, 1 ns pulse |
Wavelength available for the high energy partially reflecting laser mirrors. (nm) | 248, 266, 308, 337, 355, 364, 488, 515, 527, 532, 589, 633, 670, 694, 755, 780, 800, 830, 850, 940, 1047, 1053, 1064, 1235, 1319, 1550, 2010, 2100 | Reflectance (%) | 10±3.0, 20±4.0, 30±5.0, 40±5.0, 50±5.0, 60±4.0, 70±4.0, 75±4.0, 80±3.0, 90±2.0, 95±1.5, 98±1.0,99±0.5 | Substrate Diameter(mm) | 10, 12.7, 15, 20, 25, 25.4, 30 |
|
