Optical glass, light and color filters, near-infrared glass, black UV glass, ND glass, orange, green and yellow glass, band-pass glass and other optical filters, all are made with cold processing and available in different specifications.

KG1,KG2,KG3, (GRB1,GRB2,GRB3),an insulting glass, is characteristic particularly of a high transmission of visible light and an efficient absorption of infrared light (especially, the absorption of 1064nm infrared light) and may be applied in products of cold-light sources, such as cold-light lamps in the operating room, slide and overhead ...

Red and black glass allowing the pass-through of the infrared light.