Committed to the Future, Fulfilling the Promise of Excellence

Control Optics provides high-precision window, bases in various materials to be incorporated with anti-reflection (AR) coatings for reduction of reflectivity, includes visible light anti-reflection (VIS-AR) coating, UV anti-reflection (UV-AR) coating, visible to near-infrared anti-reflection (VIS+NIR-AR) coating, Broad-band AR coating, and Multi-band AR coating.

Material BK7, B270, Borofloat glass, PYREX glass, Synthetic quartz, Fused quartz, Fused silica, D263T, Eagle XG, Soda-lime glass, Gobain Glass, CaF2, BaF2, Ge, Si, ZnSe, ZnS, ZERODUR, CLEARCERAM™-Z, Sapphire, as well as various leading-brand materials including OHARA, SCHOTT, CORNING, ASAHI GLASS, NIPPON SHEET GLASS, NIPPON ELECTRIC GLASS, and customer-designated materials.
Diameter 2mm~2500mm
  Low grade General grade High grade
Diameter tolerance +/-0.5 ±0.1mm ±0.01mm
Surface quality S/D 80/50 60/40 10/5
Parallelism 3’ 1’ 5”
Surface flatness 2λ@ 633nm λ/2 @ 633nm λ/10 @ 633nm

Thickness tolerance

+/-0.2 ±0.1mm ±0.01mm
Coating Multilayer Anti-Reflection (AR) Coating
Specified by customer
Multilayer Anti-Reflection (AR) Coating
Specified by customer
Multilayer Anti-Reflection (AR) Coating
Specified by customer