{
  "schemaVersion": "plot-data-v1",
  "id": "lcp-spectrum-silence.emi-shielding.wr28-ka",
  "plotType": "emi-shielding",
  "materialSlug": "lcp-spectrum-silence",
  "title": "Waveguide WR28 shielding effectiveness",
  "method": "Waveguide WR28",
  "sourceFile": "lcp-spectrum-silence__emi-shielding__wr28-ka__v001.csv",
  "sourceDocument": "TDS V0.2, Feb 2026",
  "sourceWorkbook": "Spectrum Silence Ka.xlsx",
  "x": {
    "key": "frequency_ghz",
    "label": "Frequency",
    "unit": "GHz",
    "scale": "linear"
  },
  "series": [
    { "key": "total_db_per_mm", "label": "Total", "unit": "dB/mm" },
    { "key": "absorbed_db_per_mm", "label": "Absorbed", "unit": "dB/mm" },
    { "key": "reflected_db_per_mm", "label": "Reflected", "unit": "dB/mm" }
  ],
  "summary": "Measured data show thickness-normalized total shielding effectiveness from 66.9 to 88.2 dB/mm across the sampled Ka-band range."
}