Substrate
Material | UV grade fused silica |
S1 Surface flatness | λ/10 at 633 nm |
S1 Surface quality | 20-10 scratch&dig (MIL-PRF-13830B) |
S2 Surface quality | Commercial polish |
Diameter tolerance | +0.00 mm / -0.12 mm |
Thickness tolerance | ±0.25 mm |
Wedge | < 3 min |
Chamfer | 0.3 mm at 45° typical |
Coating
Technology | Ion Beam Sputtering (IBS) |
Adhesion and Durability | Per MIL-C-675A, Insoluble in lab solvents |
Clear apterture | Exceeds 85% of diameter |
Coated surface flatness | λ/8 at 633 nm over 80% of diameter |
Laser Induced Damage Threshold | Measured at design wavelength, 10 ns pulse, 100 Hz |
EKSMA Optics High Power IBS Coated Mirrors
98.38 kB |
New ultra high damage threshold laser mirrors are designed for applications with femtosecond lasers. These mirrors are produced using advanced IBS coating technology. Mirrors design wavelengths include fundamental Nd:YAG laser 1064 nm, its frequency-doubled 532 nm and 800 nm with reflection values R>99.9%.
Laser induced damage threshold was measured at mirror design wavelength with 10 ns pulse, 100 Hz under ISO standard 21254-2 1000-on-1 conditions.