Coatings & Materials

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.

PPD provides custom laser optics, assemblies, and IBS coatings for prototype, research, and OEM applications. PPDs precision fabrication, dielectric thin-film coatings, and epoxy-free assembly processes enable total optics solutions. Products include PBS cubes, high power laser mirrors, super-polished lenses, prisms, polarizers, and Brewster windows.

Inrad Optics is a vertically integrated manufacturer specializing in glass, crystal, and metal based optical components and assemblies. Manufacturing capabilities include precision optical surfacing, precision diamond turning, large substrate handling, optical contacting processes, thin film coatings, and high resolution in-process metrology.

G&H provides design and manufacturing solutions to OEM customers around the world. We meet challenging specifications and offer long product lifetime and guaranteed performance in harsh environments. Our Group is comprised of three businesses: G&H Aerospace and Defense, G&H Industrial and Telecom, G&H Life Sciences and Biophotonics.

Manufactures standard and custom polarization control components and systems including polarizers, retarders, LC devices, Pockels cells, polarimeters, and SLMs. Applications are in optogenetics, aerospace, defense, medical imaging and analysis, data storage, polarimetry, semiconductor inspection and processing, astronomy, and more.

Manufacturer of precision optical components and high-power laser coatings from UV to IR. Stock and custom optics: lenses, beamsplitters, filters, windows, mirrors, wave plates, large wedges, prisms, and many more. In-house custom coatings: AR, high reflection, dichroic, and polarizing. Optics from 4 mm to 16 inches.

Specialist in designing, developing, and manufacturing advanced, high-accuracy, and repeatability thin-film coatings by ion beam sputtering (IBS) technology. Provides customized and application-optimized laser optics featuring high LIDT, longevity and reliability.