Direct laser writing of helical Bragg gratings in vortex silica fibre
V. V. Likhov, S. A. Vasil’ev, G. K. Alagashev, S. L. Semenov, A. G. Okhrimchuk Fiber Optics Research Center of the Russian Academy of Sciences D. Mendeleev University of Chemical Technology of Russia Abstract: Helical Bragg gratings (HBGs) are formed in silica-based multimode ring-core optical fibres by direct laser writing with a femtosecond laser beam.… Read More »