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Home > Coatings Section > HR Laser Line Coatings
Provide an optimized 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 highly reflect wavelength range of <10% of the central wavelength (CWL). For instance, HR @ 800 nm will reflect wavelength range of 760 - 840 nm
For wider wavelength range please refer to HR Broad Band wavelength (BBHR) coatings

HR Laser Line coatings 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. HR Laser Line 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
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 Coatings
Wavelength, nmReflectivity (average), %Coating Code
266>99.0HR1
343 - 355>99.5HR2
400>99.5HR3
473 - 488>99.5HR4
515>99.5HR5
527 - 532>99.5HR6
589>99.5HR7
633>99.5HR8
780>99.5HR9
800>99.5HR10
852>99.5HR11
946>99.5HR12
980>99.5HR13
1030>99.5HR14
1047 - 1064>99.5HR15
1122>99.5HR16
1319>99.5HR17
1550>99.5HR18
 

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