Committed to the Future, Fulfilling the Promise of Excellence

Control Optics specializes in windows of visible light,with many years of experience in material processing, including UV grade fused silica, BOROFLOAT, borosilicate glass, BK7, B270, sapphire, and optical glass commonly used in 400 nm to 700 nm band.

Visible light windows Specifications

Material BK7、B270、Borofloat Borosilicate glass、Pyrex Borosilicate glass、Synthetic Quartz 、Fused silica、D263T、Eagle XG、Soda-lime glass、Soda-lime glass、Sapphire、OHARA、CHOTT、CORNING、materials from various leading brands including ASAHI GLASS, NIPPON SHEET GLASS, NIPPON ELECTRIC GLASS, and customer designated materials.
Diameter(Φ) 1mm~5000mm
Radius(R) Specified by customer
  Low grade General grade High grade
Diameter tolerance ±0.5mm ±0.1mm ±0.1mm
Surface quality 80/50 60/40 10/5
Surface accuracy 1/2λ 1/10λ
Thickness tolerance ±0.2mm ±0.1mm ±0.01mm
Clear Aperture 85% 90% 100%
Parallelism 3’ 1’ 15’
Coating Multilayer dielectric coating
Specified by customer
Multilayer dielectric coating
Specified by customer
Multilayer dielectric coating
Specified by customer