- Coating 5 layers of gold film on silicon, more durable.
- Reflectivity is as high as 99%, and the power loss is small.
- Good optical thermal properties and fast heat dissipation.
- For laser engraving or cutting machine with power above 100w.
Material: Silicon + Gold plating layer
Wavelength: 10.6 um (10600 nm)
Diameter Tolerance: +0/-0.13mm
Thickness: Thickness 3mm
Thickness tolerance: ±0.25mm
Centration: <3 arc minutes
Clear aperture: >90%
Surface Figure: <λ/2 per 1‘’ Dia
Surface Quality: 40-20 scratch and dig
AR/AR coating: R<0.5% per surface