II-VI Optical Systems (II-VI OS) is a leading provider of high precision optical assemblies, objectives, IR optics, windows, domes, thin film coatings and optical materials. Vertically integrated, II-VI OS is the partner you can trust to help solve your most complex optical product, development and production challenges.
II-VI OS brings together several leading optical brands (including LightWorks Optical Systems and Exotic Electro-Optics) under the II-VI Inc. corporate brand. From specification definition, to world-class design, prototyping, testing and production, our highly responsive team of engineering and manufacturing experts deliver the highest-quality visible, infrared, and laser-based assemblies, systems and components available including windows and domes. II-VI OS is ISO 9001/AS9100/ISO 13485 registered.
Optical Sciences was founded in 1995 and became a division of Valkyrie Enterprises in August 2025.
Optical Sciences primarily manufactures custom optical and infrared sensor test equipment, develops specialized high-frequency high bandwidth, data acquisition systems, and custom acquisition and analysis software. It provides high-quality technical and engineering support services to the U.S. Army, NASA, and private aerospace and defense corporations.