Gooch & Housego PLC provides photonics technology and solutions to industrial, aerospace and defence, life sciences and scientific research applications. The company's products portfolio consists of acousto-optics, crystal optics, electro-optics, instrumentation, fiber optics, and precision optics. Its segments consist of Aerospace & Defence, Life Sciences, Industrial and Scientific Research. The majority of the revenue is derived from the sale of Q-switches and acousto-optic, electro-optic and fiber optic products. Its operations are spread across United Kingdom, USA, Continental Europe, and Asia Pacific regions.