@misc{indiciae0766f39d12f7,
  title = {Optical Modulation Via The Photorefractive Effect},
  author = {Cheng, Li-Jen and Partovi, A. and Garmire, E.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900000220},
  note = {Source identifier: 19900000220}
}