Gooch & Housego PLC (GHH.L) designs, manufactures, and supplies advanced photonics components and systems for a range of high-technology applications, including industrial, aerospace and defense, life sciences, and telecommunications. The company offers core products and services such as acousto-optic devices, including modulators, deflectors, frequency shifters, tunable filters, and Q-switches; electro-optic components like Pockels cells, laser system accessories, and beam delivery systems; optical subsystems and modules encompassing fiber couplers, pump lasers, isolators, and custom assemblies; precision optical components and systems, such as lenses, mirrors, beam splitters, prisms, and thin-film coatings; and fiber optic solutions including fusion splicing services, assemblies, and components. These offerings serve target markets in OEMs, system integrators, and research institutions across North America, Europe, and Asia. Founded in 1948 and headquartered in Ilminster, England, the company operates manufacturing facilities in the UK, USA, and Czech Republic. In recent developments, Gooch & Housego completed the acquisition of np Photonics in 2023 to expand its fiber laser and sensing capabilities, launched new high-power fiber-coupled diode laser modules in 2024 for industrial processing applications, and announced a strategic partnership with a leading aerospace firm in late 2024 to develop next-generation optical systems for satellite communications.