Fused Silica Dielectric coating Mirror High-quality optical mirrors are available for use with light throughout the UV, VIS, and IR spectral regions. Choosing the proper reflective coating option ensures high reflectivity of the needed wavelength or wavelength range. We can provide the professional customized service, welcome to send inquiry and we will reply within 24 hours. Optical UV grade Fused Silica High reflectivity Mirrors  Reflection    Protected Aluminum  Ravg>90% 0.4-0.7μm  Enhanced Aluminum  Ravg>92% 0.45-0.65μm, Ravg>90% 0.19-0.4μm  Protected Silver  Ravg>95% 0.5-0.8μm, Ravg>95% 2-10μm  Protected Gold  Ravg>95% 0.8-2μm, Ravg>84% 0.7-0.8μm  Dielectric Coatings Mirror   Ravg >99.99% >400nm, Ravg >99.99% 0.25-0.4μm  Substrates  H-K9L(N-BK7), Fused Silica, Si, Ge, Sapphire,   Copper, Aluminum  Diameter  3-250mm or customization  Dia. tolerance  +/-0.1mm, +/-0.01mm  Surface Flatness  lambda/4 , lambda/2, lambda/10  Parallelism  3'  AOI  0°-45°  Clear Aperture  > 90%