{
  "structure": "grating",
  "coordinate": "xz",
  "resonant_wavelength": 4.26,
  "grating_material": "Pr1Se1_mp_4295493050",
  "periodicity": 4.248,
  "width": 1.968,
  "height": 0.126,
  "absorption_peak_intensity": 0.959,
  "fwhm": 0.025,
  "software": "rsoft_diffractmod"
}