@misc{indiciaeca714a17562c,
  title = {Technique of microball lens formation for efficient optical coupling.},
  author = {Cheng-Tang Pan and Chi-Hui Chien and Chi-Chang Hsieh},
  year = {2004},
  doi = {10.1364/ao.43.005939},
  url = {https://pubmed.ncbi.nlm.nih.gov/15587721/},
  note = {Source identifier: 15587721}
}