Total Internal Reflection TIR keeps the majority of the light trapped in the core and allows it to ‘bend’ around curves in the fiber, maintaining most of the light within the core and allowing it to propogate long distances with low attenuation. Related CoursesRelated CoursesRelated Courses SP3000Structured Cabling Infrastructure DesignMore Info SP3321SYSTIMAX Design & EngineeringMore Info SP3351SYSTIMAX MasterClassMore Info SP4420Fiber Optic Infrastructure SpecialistMore Info