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Step-Index Optical Fiber Made of Biocompatible Hydrogels
Myunghwan Choi1,2, Matjaž Humar1,3, Seonghoon Kim1,4
1Harvard Medical School and Wellman Center for Photomedicine, Massachusetts General Hospital, 65 Landsdowne St, UP-5, Cambridge, MA, 02139, USA.
Advanced Materials (Deerfield Beach, Fla.)
|June 6, 2015
Abstract:
A biocompatible step-index optical fiber made of poly(ethylene glycol) and alginate hydrogels is demonstrated. The fabricated fiber exhibits excellent light-guiding efficiency in biological tissues. Moreover, the core of hydrogel fibers can be easily doped with functional molecules and nanoparticles for localized light emission, sensing, and therapy.
