@misc{indiciae330ae81f99a7,
  title = {Polarization phase-shifting point-diffraction interferometer.},
  author = {Robert M Neal and James C Wyant},
  year = {2006},
  doi = {10.1364/ao.45.003463},
  url = {https://pubmed.ncbi.nlm.nih.gov/16708090/},
  note = {Source identifier: 16708090}
}