Coatings & Materials

Manufacturer of dichroic glass polarizers for the UV, VIS, NIR, and MIR spectral range. Also produces patterned polarizers that have arbitrary shaped areas with different directions of polarization.

Extensive suite of application-focused instrumentation for life sciences and materials research and production covers the full range of metrology techniques, sample sizes, and imaging resolutions. Technologies include AFMs, NanoIR spectrometers, fluorescence microscopes, stylus and optical profilers, mechanical testers, and nano-indenters.

Designer and manufacturer of broad-beam ion and plasma technology products for the vacuum process community.

Supplier of sophisticated materials for research or production applications. Offers laser crystals and laser components, optical components, optoelectronic components, metals (high purity or single crystals), plasma technology, UHV components, and precision wire saws.

Lapping and polishing consumables and machinery for glass, plastic, crystals, IR, semiconductor, electro, laser, and fiber optics. Microcellular foam elastomer pads, compounds, ultrapure alumina, colloidal silica, diamond powder/slurries; water-based, nanosize, alpha-alumina; optical blocking, synthetic pitch, double-sided polishers, and centrifuges.

Provider of industrial and precision ultrasonic cleaning equipment. Designs and manufactures efficient and environmentally sound solutions for challenging parts cleaning applications.

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.

As a matured and professional global supplier with a sophisticated engineering background, we specialize in the manufacturing and sales of electro-optics, including laser crystals and components, laser mirrors, nonlinear crystals, wave plates, polarizers, optical windows and lenses, IR camera lens assemblies/optical filters, scintillators, and more.