Photonics Suppliers

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 laser information application fields. Products cover semiconductor lasers, fiber lasers, solid-state lasers and related laser application systems. Offers customized products and production services.

Designs and manufactures side pump combiners for fiber laser engines. Specializes in OEM/ODM customized products for the fiber laser and space laser communication industries.