@misc{indiciaec89dbceac62f,
  title = {Applying a mapped pseudospectral time-domain method in simulating diffractive optical elements.},
  author = {Xiang Gao and Mark S Mirotznik and Shouyuan Shi and Dennis W Prather},
  year = {2004},
  doi = {10.1364/josaa.21.000777},
  url = {https://pubmed.ncbi.nlm.nih.gov/15139430/},
  note = {Source identifier: 15139430}
}