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Home > Dielectric Coated Optics > 14DM-BBHR HR Broad Band mirrors
HR Broad Band Mirrors
Provide an optimised performance over broad wavelength range
Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques
If your application do not require such wide wavelength range to be reflected please refer to - Laser Line HR wavelength coatings
Any other our standard substrate can be coated with this type of coatings!


HR Broad Band mirrors (BBHR) 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
Substrate Dimension Tolerance+0.0, -0.1 mm
Substrate Wavefront Distortion<λ/8 (<λ/4 for curved surfaces)
Substrate Surface Quality20-10 S-D (40-20 S-D for curved surfaces)
Coating Adhesion and DurabilityPer MIL-C-675A
Clear Aperture>90% of diameter
Measured ReflectivityR>99% @ 0°, Rave>99% @ 45°
Laser Damage Threshold>2-3 J/cm2 for 10 ns pulses @ 1064 nm

HR Broad Band mirrors
Wavelength range, nmReflectivity
(average), %
Substrate material Ordering Code
for AOI = 0°
Ordering Code
for AOI = 45°
Ordering Code
for AOI = 0°
Ordering Code
for AOI = 45°
Ordering Code
for AOI = 45°
Ø12.7 x 6 mmØ25.4 x 6 mmØ50.8 mm
400-700>99.0BK714DM-05-BBHR1-0-114DM-05-BBHR1-45-114DM-1-BBHR1-0-114DM-1-BBHR1-45-1
700-950>99.0BK714DM-05-BBHR2-0-114DM-05-BBHR2-45-114DM-1-BBHR2-0-114DM-1-BBHR2-45-114DM-2-BBHR2-45-1
760-840>99.0BK714DM-05-BBHR3-0-114DM-05-BBHR3-45-114DM-1-BBHR3-0-114DM-1-BBHR3-45-114DM-2-BBHR3-45-1
750-1000>99.0BK714DM-05-BBHR4-0-1**14DM-05-BBHR4-45-1**14DM-1-BBHR4-0-1**14DM-1-BBHR4-45-1**14DM-2-BBHR4-45-1**
900-1200>99.0BK714DM-05-BBHR5-0-114DM-05-BBHR5-45-114DM-1-BBHR5-0-114DM-1-BBHR5-45-114DM-2-BBHR5-45-1
350-1100>99.0UVFS14DM-1-BBHR6-2*
AOI = 0°-45°*
Available on bigger quantities**

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