Dynasil Corporation of America is engaged in the development, marketing and manufacturing of detection, sensing and analysis technology and optical components, as well as contract research. The Company operates through three segments, including Contract Research, Optics and Biomedical. The Contract Research segment consists of the Radiation Monitoring Devices, Inc. (RMD) business unit. The Optics segment operates through four business units: Dynasil Fused Silica, Optometrics Corporation, Hilger Crystals, Ltd. and Evaporated Metal Films Corporation, which manufactures commercial products, including optical crystals for sensing in the security and medical imaging markets, as well as optical components, optical coatings and optical materials for scientific instrumentation and other applications. The Biomedical segment consists of a business unit, Dynasil Biomedical Corporation, a medical technology incubator, which owns rights to certain early-stage medical technologies.