A type of step-index optical fiber comprising multiple layers of cladding with sharp steps in the index of refraction (IOR) at the boundaries. Multi-step fiber compounds the effect of stepindex fiber. See also cladding, IOR, and step-index fiber.
"multi-step fiber." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/multi-step-fiber>.
multi-step fiber. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/multi-step-fiber