Broadband Dielectric Mirror

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Specifications

Substrate Material: BK7, Fused Silica, UV Fused Silica, IR Fused Silica
Wavelength Range: 350 – 1550 nm
Angle Of Incidence (AOI): 0 deg
Flatness (Coated Surface): lambda/4
Surface Quality: 60-40 scratch-dig
Reflectivity (Rs, Rp): 99 %
Diameter: 25.4 mm
Thickness: 3 mm
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Features

Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Clear Aperture >90%
Flatness λ/10@632.8nm per 25mm range
Surface Quality 60/40 scratch and dig
Coating Dielectric HR coating on one surface, Ravg>99% for random polarization, AOI 0-45deg, rear surface ground or inspection polished
Damage Threshold >1J/cm2, 20ns, 20Hz, @1064nm