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Nd:YAG Laser Dual Band Mirrors

Dual Laser Line Mirrors are made of high quality BK7 or UV Fused Silica. The mirrors are designed for 45° or 0° angle of incidence. Featuring high polishing quality, low scattering and high damage threshold enables dielectric reflectors to have perfect beam steering for Nd:YAG lasers.



BK7 glass or 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
<3 min
0.3 mm at 45° typical


Electron beam multilayer dielectric or Ion Beam Sputtering
Adhesion and Durability
Per MIL-C-675A. Insoluble in lab solvents
Clear Aperture
Exceeds central 85% of diameter
Damage Threshold
BK7 dual line mirrors – 1 J/cm2, 8 nsec pulse, 1064 nm typical
UVFS dual line mirrors – 2 J/cm2, 8 nsec pulse, 1064 nm typical
Coated Surface Flatness
λ/10 at 633 nm over 85% over clear aperture
Angle of Incidence
0 or 45 degrees