@article{escidoc:3257719,
  title = {Direct observation of spin-wave focusing by a Fresnel lens},
  journal = {Physical Review B},
  volume = {102},
  number = {2},
  pages = {024420},
  publisher = {American Physical Society},
  address = {Woodbury, NY},
  year = {2020},
  slug = {escidoc-3257719},
  author = {Gr{\"a}fe, J. and Gruszecki, P. and Zelent, M. and Decker, M. and Keskinbora, K. and Noske, M. and Gawronski, P. and Stoll, H. and Weigand, M. and Krawczyk, M. and Back, C. H. and Goering, E. J. and Sch\"utz, G.}
}