Fairfield Crystal Technology, LLC. specializes in crystal materials for the optical and semiconductor industries. The firm is developing other proprietary materials technology and manufacturing capability in single-crystal materials. with their research focused on improving technology in solid-state lighting, microlithography, laser, spectroscopy, semiconductor, defense and detection systems, medical imaging, nuclear medicine, and bio-agent detection. They are currently supplying several products to numerous customers in a variety of fields - microlithography, laser, spectroscopy, semiconductor, and military systems.