{
  "structure": "grating",
  "coordinate": "xz",
  "resonant_wavelength": 4.26,
  "grating_material": "Sn3Yb1_mp_4296790649",
  "periodicity": 4.219,
  "width": 2.975,
  "height": 0.145,
  "absorption_peak_intensity": 0.986,
  "fwhm": 0.016,
  "software": "rsoft_diffractmod"
}