Recent Progress in Liquid-Crystal Optical Fibers and Their Applications in Photonics Ertman, Slawomir ; Rutkowska, Katarzyna ; Wolinski, Tomasz R. Abstract Publication: Journal of Lightwave Technology Pub Date: June 2019 DOI: 10.1109/JLT.2018.2869916 Bibcode: 2019JLwT...37.2516E