Material
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UV grade Fused silica or BK7 glass
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S1 Surface Flatness
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λ/10 at 633 nm
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S1 Surface Quality
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20-10 scratch & dig (MIL-PRF-13830B)
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S2 Surface Quality
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Commercial polish
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Diameter Tolerance
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+0.00 mm-0.12 mm
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Thickness Tolerance
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±0.25
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Wedge
|
<3 min
|
Chamfer
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0.3 mm at 45° typical
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Technology
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Electron beam multilayer dielectric or Ion Beam Sputtering
|
Adhesion and Durability
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Per MIL-C-675A. Insoluble in lab solvents
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Clear Aperture
|
Exceeds central 85% of diameter
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Damage Threshold
|
BK7 laser line mirrors 5 J/cm2, 8 nsec pulse, 1064 nm typical
UVFS laser line mirrors 8 J/cm2, 8 nsec pulse, 1064 nm typical |
Coated Surface Flatness
|
λ/10 at 633 nm over 85% over clear aperture
|
Angle of Incidence
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0 or 45 degrees
|
EKSMA Optics Nd:YAG Laser Line Mirrors
157.93 kB |
Two kinds of substrate material are available. Laser line 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.