@phdthesis{12485,
  author = {Baiming Guo},
  title = {Photoinduced Gratings in Glass Optical Fibers Part I: Photosensitive Gratings (Hill Gratings). Part II: χ(2) Gratings (Second-Harmonic Generation)},
  year = {1994},
  journal = {Department of Physics},
  volume = {Ph.D},
  month = {1994-05},
  publisher = {University of Colorado Boulder},
  address = {Boulder},
}