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Home > Dielectric Coated Optics > 14DM-HR - HR Laser Line mirrors
HR Laser Line Mirrors
Provide an optimised performance at certain wavelength and certain angle of incidence (AOI)
Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques
HR Laser Line coatings (HR) highly reflect wavelength range of <10% of the central wavelength (CWL). For instance, HR@800nm will reflect wavelength range of 760-840 nm
If your application needs to reflect wider wavelength range please refer to - Broad Band HR wavelength coatings
Our standard substrates can be coated with this type of coatings!


HR Laser Line mirrors (HR) provide an optimized performance at certain wavelength and certain angle of incidence (AOI). These multilayer coating stacks helps to achieve the highest possible reflectivity at specific laser line wavelengths at normal or 45 degrees incidence. Laser line HR coatings are used for external beam manipulation applications where even slight losses may be intolerable. 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>99.5% @ 0°, Rs>99.8% and Rp>99.3% @ 45°
Laser Damage Threshold>5-7 J/cm2 for 10 ns pulses @ 1064 nm

HR Laser Line mirrors
Wavelength, 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 mmØ25.4 mmØ50.8 mm
266>99.0UVFS14DM-05-HR1-0-214DM-05-HR1-45-214DM-1-HR1-0-214DM-1-HR1-45-214DM-2-HR1-45-2
343-355>99.5UVFS14DM-05-HR2-0-214DM-05-HR2-45-214DM-1-HR2-0-214DM-1-HR2-45-2
515>99.5UVFS14DM-05-HR5-0-214DM-05-HR5-45-214DM-1-HR5-0-214DM-1-HR5-45-214DM-2-HR5-45-2
527-532>99.5BK714DM-05-HR6-0-114DM-05-HR6-45-114DM-1-HR6-0-114DM-1-HR6-45-114DM-2-HR6-45-1
633>99.5BK714DM-05-HR8-0-114DM-05-HR8-45-114DM-1-HR8-0-114DM-1-HR8-45-1
780>99.5UVFS14DM-05-HR9-0-214DM-05-HR9-45-214DM-1-HR9-0-214DM-1-HR9-45-2
800>99.5UVFS14DM-05-HR10-0-214DM-05-HR10-45-214DM-1-HR10-0-214DM-1-HR10-45-2
1030>99.5UVFS14DM-05-HR14-0-214DM-05-HR14-45-214DM-1-HR14-0-214DM-1-HR14-45-214DM-2-HR14-45-2
1047-1064>99.5BK714DM-05-HR15-0-114DM-05-HR15-45-114DM-1-HR15-0-114DM-1-HR15-45-1
1550>99.5BK714DM-05-HR18-0-114DM-05-HR18-45-114DM-1-HR18-0-114DM-1-HR18-45-1
PLEASE NOTE:
thickness of UVFS Ø12.7 mm is 5 mm; thickness of BK7 Ø12.7 mm is 5 mm
thickness of UVFS Ø25.4 mm is 5 mm; thickness of BK7 Ø25.4 mm is 6 mm

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