Protected Silver Mirrors

Protected Silver Mirrors

Protected silver mirror curveProtected Silver Mirror

EMF’s protected silver mirrors are used in high reflectance applications in the visible and infrared spectrum. EMF’s protected silver mirrors have an overcoat of SiO2 to increase durability and to meet the adhesion, abrasion, temperature and humidity requirements of MIL-M-13508C.  Although the overcoat is helpful in protecting the silver layer from tarnishing, EMF’s protected silver mirrors are not recommended for use in high humidity environments. Request a quote for a custom protected silver mirror.

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Product SKUs

  • Protected Silver  Mirror, 5.0mm Diameter, 4-6λ

    BS-1090-1219-1
    $22.00

    Reflecting Transmitting Ratio

    10:90

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm

    Coating Type

    Metal

    Cut-Off Wavelength

    1000 nm

    Cut-Off Tolerance

    ±15 nm

    Transmission Region

    400-550 nm

    Transmission (min)

    85%

    Reflection Region

    21.00%

    Reflection (min)

    90%

    Optical Density

    0.3 OD

    Density Tolerance

    ± 5% of density

    Operating Range

    190 – 650 nm

    Wavelength Range

    400-700nm

    Substrate

    Float Glass

    Size (inches)

    1 x 0.25

    Size (mm)

    12.0mm x 19.0mm

    Clear Aperture

    80%

    Size Tolerance

    ±0.38mm

    Parallelism

    ≤ 3 arc min.

    Thickness (mm)

    1.0 mm nominal

    Thickness Tolerance

    ± 0.25 mm

    Typical Energy Density Limit

    0.2 J/cm2 @ 532nm, 10ns

    Scratch/Dig

    80/50

    Edges

    Cut

    Surface Quality

    80/50

    Surface Flatness

    4 – 6λ

    Optical Coating

    Metallic alloy

    Angle of Incidence

    45°

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