D-Shaped Mirror

Specifications

Substrate Material: BK7, Fused Silica, Custom
Wavelength Range: 400 – 12000 nm
Angle Of Incidence (AOI): 0 deg
Flatness (Coated Surface): lambda/10
Surface Quality: 60-40 scratch-dig
Reflectivity (Rs, Rp): 90 %
Diameter: 25.4 mm
Thickness: 6.35 mm
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Features

Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Clear Aperture >90%
Flatness <λ/10@632.8nm
Parallelism <3 arc minutes
Surface Quality 60/40 scratch and dig
Coating High reflective coating on one surface, rear surface ground or inspection polished
Protected Aluminum: Ravg>87%@400-1200nm, 0-45deg
Protected Silver: Ravg>95%@400-12000nm, 0-45deg
Protected Gold: Ravg>98%@2000-12000nm, 0-45deg
Dielectric: Ravg>99%@450-700nm, 0-45deg
Dielectric: Ravg>99%@750-1100nm, 0-45deg
Damage Threshold >1J/cm2, 20ns, 20Hz, @1064nm