@misc{indiciaee11aea64b4d9,
  title = {Phase-shifting (Sagnac) interferometer with external phase control.},
  author = {José A Ferrari and Eugenio Garbusi},
  year = {2005},
  doi = {10.1364/ao.44.004510},
  url = {https://pubmed.ncbi.nlm.nih.gov/16047900/},
  note = {Source identifier: 16047900}
}