Substrate
Material
|
UV grade fused silica or BK7 glass
|
S1 Surface Irregularity
|
λ/10 at 633 nm
|
S1 Surface Quality
|
20-10 scratch & dig (MIL-PRF-13830B)
|
S2 Surface Quality
|
Commercial polish
|
Diameter | Ø 25.4x6mm |
Diameter Tolerance
|
+0.00 mm-0.12 mm
|
Thickness Tolerance
|
±0.25
|
Chamfer
|
0.3 mm at 45° typical
|
Technology
|
Electron beam multilayer dielectric
|
Adhesion and Durability
|
Per MIL-C-675A. Insoluble in lab solvents
|
Clear Aperture
|
Exceeds central 85% of diameter
|
Damage Threshold
|
5 J/cm2, 8 nsec pulse, 1064nm typical for BK7 substrates |
Angle of Incidence
|
0°-8° (normal)
|
Reflectivity | R>99.7% |
EKSMA Optics Laser Rear Mirrors
64.85 kB |
Laser rear mirrors with hard dielectric coatings for pulsed and CW high power fundamental Nd:YAG laser applications. High reflectivity (R>99.7%) coatings are applied on laser rear mirrors. The UVFS substrates are suggested for pulsed and CW high power fundamental Nd:YAG laser application.