II-VI Aerospace & Defense

II-VI Aerospace & Defense designs and manufactures optoelectronic and electronic systems for military and aerospace applications. Its work covers high-performance laser-based products, precision optical components and complex circuit board assemblies, all built to demanding reliability standards. The technical remit spans optoelectronics, laser technology, III-V semiconductor devices, RF circuit design and optical system integration, with engineering effort extending from cleanroom wafer fabrication through to photonic subsystem and complete system-level integration.

Products serve the aerospace, defense, directed energy, communications and sensing sectors. Work in these fields is conducted under strict quality management systems aligned to ISO 9001 standards and in adherence to ITAR regulations governing defense articles, conditions that shape both engineering practice and the handling of technical work.

Following the 2022 restructuring of II-VI, now Coherent Corp., the business became part of Attalon, Inc. The company's website is https://ii-vi.com/.