Metals are well-established mirror materials for low laser power applications. They offer high reflectance over a wide spectral bandwidth (especially in the MIR range) with negligible dispersion-related travel time differences.
LAYERTEC uses the magnetron sputtering process to produce metallic coatings with extremely low stray light losses.
We produce gold, silver and aluminum mirrors. For silver and aluminum mirrors it is advisable to apply an additional protective layer. This prevents them from oxidizing and allows them to be cleaned.
In addition, the reflectance of defined wavelengths can be improved by the targeted application of further layers.