Redfern Integrated Optics, Inc. develops and manufactures optical sources and subsystems based on planar external cavity laser technology. In 2014, the firm was acquired by QinetiQ. Redfern offers single frequency narrow linewidth lasers and modules, including PLANEX, an narrow linewidth single frequency external cavity laser diode, which is developed for sensing and LIDAR applications; ORION laser module, an OEM single frequency low noise source; ORION laser source, a benchtop laser source; GRANDE, a high power OEM single frequency narrow linewidth source; and OPLL, an optical phase locked loop system.
