{
  "structure": "grating",
  "coordinate": "xz",
  "resonant_wavelength": 4.26,
  "grating_material": "B2Ta1_mp_4295495057",
  "periodicity": 4.194,
  "width": 3.244,
  "height": 0.209,
  "absorption_peak_intensity": 0.978,
  "fwhm": 0.011,
  "software": "rsoft_diffractmod"
}