Coatings & Materials

Develops products for applications in optics, lithography, astronomy, automotive, consumer electronics, industrial, and life sciences. Offers a variety of optical and laser glasses, optical filters, glass ceramic, IR materials, optical components, custom glass development, precision finishing, and metrology capabilities.

Manufactures molded plastic optics and IR transmitting materials and optics. Also lens arrays for passive IR applications, diffusers and microlens arrays for illumination, and plastic optics for 3.4 microns. Design help, tooling and production, and diamond machining.

Designs and manufactures high power metal mirrors, passive and water-cooled copper, molybdenum tungsten, titanium, aluminum, and stainless-steel mirrors, metal mirror corner cubes, laser beam shaping systems, optical integrators, line image focusing modules, 100-plus-kW beam dumps, laser optics, small and large mirror mounts, and lightweight metal mirrors.

CASTECH is a global leader in nonlinear optical crystals, laser crystals, precision optics, and laser components for laser applications, optical communications, biomedical VR/AR, and lidar. With ISO 9001 and IAFT 16949 quality management system, we consistently enable our customers from prototype to mass production stage.

Specializes in producing high-performance nonlinear optical crystals and electro-optical components for the photonics market. Product lines include nonlinear crystals such as RTP, HGTR, KTP, LBO, BBO, and CLBO. Also offers electro-optic components like RTP and BBO Pockels cells, as well as quasi-phase matching devices such as PPKTP, PPSLT, and PPLN.