Gooch & Housego PLC is a UK-based manufacturer of precision optical and photonic components and systems. Founded in 1948, the company operates through three primary business segments: Industrial, Aerospace & Defence, and Life Sciences/Bio-Photonics. Its extensive product portfolio includes acousto-optic modulators, crystal optics, fiber-coupled pump lasers, and precision lenses. These components are critical for controlling light, laser beams, and sound waves in advanced applications such as satellite communications, laser-directed energy weapons, optical coherence tomography, and semiconductor manufacturing tools. Headquartered in Ilminster, Somerset, Gooch & Housego maintains manufacturing and operational facilities across the United Kingdom, North America, Europe, and the Asia-Pacific region.