Sell Dielectric Mirror

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Dielectric Mirrors
Dielectric Mirrors offer near total reflection, minimizing losses in nearly all optical systems. These coatings are very durable, easily cleaned, and resistant to laser damage.
Available either broadband or narrowband, they operate efficiently over 0450angle of incidence: AOI=00, R>99.8%;
AOI=450, R>99.5% (Rs>99.9%, Rp>99.2%) .

Material: BK7 grade A optical glass
Dimension Tolerance: +/-0.2mm
Clear Aperture: >85%
Parallelism: <1 arc minute
Surface Quality: 40-20 scratch and dig.
Flatness: lambda/4 per 25mm @632.8nm
Coating: R > 98% on one side, R=(Rs+Rp) /2
Bevel: 0.25mmx45deg