HR Broad Band mirrors (BBHR)
HR Broad Band mirrors (BBHR)
| 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% if designed AOI=0deg; Rave>99% if designed AOI=45deg |
| Laser Damage Threshold | >2-3 J/cm2 for 10 ns pulses @1064nm |
These multilayer coatings offers 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.
Broad Band HR coatings (BBHR) can highly reflect wavelength range of >10% of the central wavelength (CWL). For instance, BBHR@800nm can reflect wavelength range of 750-850nm or even wider upon request.
If your application do not require such wide wavelength range to be reflected please refer to - Laser Line HR wavelength (HR) coatings.
Looking Low GDD Broadband HR mirrors for fs laser application?
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Provides an optimised performance over broad wavelength range |
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