Round mirror DSM series

D-shapedBK7high-reflectivity

D-shaped mirror is always used to separate closely spaced light beams. The high reflective coating extends to the straight edge of the mirror within 0.05mm, and a portion of the substrate behind the straight edge is removed, these make D-shaped mirror is ideal for picking off one of two closely spaced light beams, and not affect the beam which is not picked off. 　 Separate Closely Spaced Light Beams High Reflectivity, AOI 0-45deg Metallic and Broadband Dielectric Coatings Available Coating Extends To Straight Edge Within 0.05mm RoHS Compliant 　 Specifications:　 Material BK7 Dimension Tolerance +0.0/-0.2mm Thickness Tolerance ±0.2mm Clear Aperture >90% Flatness <λ/10@632.8nm Parallelism 87%@400-1200nm, 0-45deg Protected Silver: Ravg>95%@400-12000nm, 0-45deg Protected Gold: Ravg>98%@2000-12000nm, 0-45deg Dielectric: Ravg>99%@450-700nm, 0-45deg Dielectric: Ravg>99%@750-1100nm, 0-45deg Damage Threshold >1J/cm2, 20ns, 20Hz, @1064nm