@misc{indiciae1bcd5ba89174,
  title = {Optical frequency waveguide and transmission system Patent},
  author = {Chioa, R. Y. and Garmire, E. M. and Townes, C. H.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710017707},
  note = {Source identifier: 19710017707}
}