@misc{indiciae9a0bbffc9336,
  title = {Observed scattering into a dark optical vortex core.},
  author = {David Palacios and David Rozas and Grover A Swartzlander},
  year = {2002},
  doi = {10.1103/physrevlett.88.103902},
  url = {https://pubmed.ncbi.nlm.nih.gov/11909356/},
  note = {Source identifier: 11909356}
}