• 480-967-2501 • sales@cel-atg.com The leader in FBG Sensors and also Fiber Optic Sensors. The CEL Advanced Technologies Group pioneers the development of innovative Fiber Optic sensing units as well as sensing systems for different applications, with their product line called FiberStrike. Our various fiber optic sensors, fiber optic interrogators, manhole switches, intrusion detection systems, and more offer one-of-a-kind solutions to monitoring challenges.