@misc{indiciae3d7021e19417,
  title = {Ultra compact spectrometer apparatus and method using photonic crystals},
  author = {Ting, David Z. and Hill, Cory J. and Bandara, Sumith V. and Gunapala, Sarath D.},
  year = {2009},
  url = {https://ntrs.nasa.gov/citations/20100008446},
  note = {Source identifier: 20100008446}
}