Optical Concave Mirrors  High-quality optical mirrors are available for use with light throughout the UV, VIS, and IR spectral regions. Worldhawk offers a range of laser, flat, metal substrate, focusing, or specialty Optical Mirrors . In a multitude of reflective coating options, including Protected Aluminum, Enhanced Aluminum, Protected Silver, Protected Gold, or Dielectric. 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. Specifications    Reflection     Protected Aluminum Ravg>90% 0.4-0.7μm Enhanced Aluminum Ravg>92% 0.45-0.65μm 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 Mirror Coatings Ravg >99.99% >400nm   Mirror shape Plano Mirrors, Cylindrical Mirrors, Prism Mirrors,  Spherical Mirrors, Aspherical Mirrors,  Elliptical Mirrors, Cone Mirrors,  Right Angle Prism Mirrors   Category Flat Mirrors, Laser Line Mirrors, IR Mirrors, Focusing (Concave) Mirrors, Hot and Cold Mirrors,  Backside Polished Mirrors and Specialty Mirrors.   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   AOI 0deg or 45deg   Chamfer 0.1~0.3mm x 45degree   Clear Aperture > 90%   Surface Quality 60-40, 40-20 or better