@misc{indiciae4af5d9d15a18,
  title = {Curved grating fabrication techniques for concentric-circle grating, surface-emitting semiconductor lasers},
  author = {Jordan, Rebecca H. and King, Oliver and Wicks, Gary W. and Hall, Dennis G. and Anderson, Erik H. and Rooks, Michael J.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940012876},
  note = {Source identifier: 19940012876}
}