TT electronics OPTEK Technology is an innovative leader in the optoelectronics and lighting industries. For nearly 40 years, OPTEK has been providing optoelectronic products for sensing and illumination applications. Known for our ability to provide highly engineered, application specific optoelectronic sensor solutions for a multitude of applications, our product portfolio includes standard and custom optoelectronic sensors and switches, magnetic sensors, hall-effect and magnetoresistive components, fiber optic components, and VCSELs. Equipped to meet the needs of our worldwide customers, OPTEK products can be found in office equipment, industrial applications, encoders, military and high-reliability applications, medical diagnostic equipment, automotive and lighting applications.