HR Laser Line mirrors (HR)
HR Laser Line mirrors (HR)
| Substrate dimension tolerance | +0/-0,1 mm |
| Substrate wavefront distortion | < λ/8 (< λ/4 for curved surfaces) |
| Substrate surface quality | 20-10 SD; 40-20 SD for curved faces |
| Coating Adhesion and Durability | Per MIL-C-675A |
| Clear Aperture | >90% of diameter |
| Measured Reflectivity | R>99,5% if designed AOI=0deg; Rs>99,8% and Rp>99,3% if designed AOI=45deg |
| Laser Damage Threshold | >5-7 J/cm2 for 10 ns pulses @1064nm |
These multilayer coatings are stacks intended to achieve the highest possible reflectivity at specific laser line wavelengths at normal or 45 degrees incidence. Laser line high reflectivity coatings are intended 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.
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 760-840nm.
If your application needs to reflect wider wavelength range please refer to - Broad Band HR wavelength (BBHR) coatings.
Looking Low GDD HR mirrors for femtosecond laser application?
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Provide an optimised performance at certain wavelength and certain angle of incidence (AOI) |
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Other dimensions are available in small and mass production quantities |
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Mass production capabilities: 10’000 pcs per month |
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Our standard substrates can be coated with this type of coatings! |
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