Coherent Corp. engages in the development, refinement, manufacturing, and marketing of engineered materials, opto-electronic components and devices, and lasers for use in the industrial, communications, electronics, and instrumentation markets. It operates through the following segments: Networking, Materials, and Lasers. The Networking segment leverages compound semiconductor technology platforms and deep knowledge of end-user applications. The Materials segment markets engineered materials and optoelectronic devices. The Lasers segment serves industrial customers in semiconductor capital equipment, display capital equipment, precision manufacturing, and aerospace and defense, as well as instrumentation customers in life sciences and scientific research. The company was founded by Carl J. Johnson in 1971 and is headquartered in Saxonburg, PA.