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Home > Dielectric Coated Optics > 14DM-BBAR - Broad Band AR coated windows
These coatings are designed to increase the transmission over a broad spectrum
Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques
Broad Band Anti-Reflection Coatings in the range 0.19-10.6 µm are available


Broad Band AR coatings designed to reduce the reflectivity of a component to near-zero for Broad band wavelength range. We suplly standard Broad Band AR coatings in the range 0.19-10.6 µm. These multilayer broadband anti-reflective coating coating increases transmission of optical element for broad spectrum. Therefore, it is the ideal for a wide range of multiwavelength laser and white light applications. The wavelength range and reflectivity of the coating depends on the angle of the incident beam.


Standard Specifications
Substrate Dimension Tolerance+0.0, -0.1 mm
Substrate Wavefront Distortion<λ/8
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
Laser Damage Threshold>4-5 J/cm2 for 10 ns pulses @ 1064 nm

BK7 Broad Band AR coated windows
Wavelength, nmResidual Reflectivity
% @ AOI=0°
Ø12.7x2 mmØ25.4x5 mm
250-425<0.7514DM-05-BBAR0-0-114DM-1-BBAR0-0-1
425-675>99.514DM-05-BBAR1-0-114DM-1-BBAR1-0-1
600-1100>99.514DM-05-BBAR2-0-114DM-1-BBAR2-0-1


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