LBTEK offers Ø12.7 mm, Ø25.4 mm, and Ø50.8 mm gold-coated metal plane mirrors. Metal-coated mirrors are highly suitable for deflecting light paths of broadband light sources, as they exhibit high reflectivity across a wide spectral range. Since the gold coating itself is relatively fragile and prone to scratches, a silicon dioxide protective layer is applied on its surface to isolate the metal coating from direct external contact, preventing scratches that could affect optical performance.

LBTEK offers Ø25.4 mm unprotected gold-coated flat mirrors, which are suitable for deflecting light paths of broadband light sources and exhibit high reflectivity across a wide spectral range. Unlike aluminum or silver coatings, gold coatings are less prone to oxidation in air, allowing them to be used without protective layers. Unprotected gold-coated mirrors have higher reflectivity than protected ones, but they are also more fragile and susceptible to surface scratches. During use, care should be taken to avoid touching the gold-coated surface to prevent scratches that could affect performance.

LBTEK offers rectangular gold-coated mirrors, which are highly suitable for deflecting light paths of broadband light sources, featuring high reflectivity across a wide spectral range. Since the gold coating itself is relatively fragile and prone to scratches, a silicon dioxide protective layer is applied on its surface to isolate the metal coating from direct external contact, preventing damage to the gold coating that could affect optical performance.