@misc{indiciae9f23cd013adc,
  title = {Gaussian beams and minimum diffraction.},
  author = {Alfredo Luis},
  year = {2006},
  doi = {10.1364/ol.31.003644},
  url = {https://pubmed.ncbi.nlm.nih.gov/17130931/},
  note = {Source identifier: 17130931}
}