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Home > Coatings Section > BBHR - HR Broad Band Coatings
Provide an optimized performance over broad wavelength range
Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques

HR Broad Band coatings provide an optimized performance at broad wavelength range. These multilayer coatings offer high reflectivity for broad spectrum. Therefore, it is the ideal for a wide range of multi-wavelength laser or white light applications. Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques. High reflectivity dielectric coatings in the range of 0.19 - 20 µm are available.

Standard Specifications
Coating Adhesion and DurabilityPer MIL-C-675A
Clear Aperture>90% of diameter
Measured ReflectivityR>99.5% @ 0°
Rave>99% @ 45°
Laser Damage Threshold>2-3 J/cm2 for 10 ns pulses @ 1064 nm

HR Broad Band Coatings
Wavelength, nmReflectivity (average), %Coating Code
400-700>99.0BBHR1
700-950>99.0BBHR2
750-850>99.0BBHR3
750-1000>99.0BBHR4
900-1200>99.0BBHR5

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