{
  "alternatives": [],
  "meta": {
    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "data_version": "0.1.0",
    "documentation": "https://lithium-niobate.com/api/openapi.json",
    "license": {
      "id": "CC-BY-4.0",
      "name": "Creative Commons Attribution 4.0 International",
      "url": "https://creativecommons.org/licenses/by/4.0/"
    },
    "property": "absorption-coefficient",
    "variant": "cln"
  },
  "recommended": [
    {
      "category": "optical",
      "conditions": {
        "method": "o and e polarization, 390-3800 nm"
      },
      "default": true,
      "id": "absorption-coefficient/cln/leidinger2015",
      "kind": "scalar",
      "max": 2,
      "min": 0.0001,
      "name": "Absorption coefficient in the transparent range",
      "notes": "Range over 390-3800 nm ('< 1.0e-4 to 2 cm^-1'); the value at 1550 nm is in the paper and was not read. 1.0e-4 cm^-1 = 0.043 dB/m.",
      "property": "absorption-coefficient",
      "provenance": {
        "locator": "abstract",
        "source_id": "leidinger2015",
        "status": "P(abs)",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "alpha",
      "unit": {
        "display": "cm^-1",
        "ucum": "/cm"
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      "variant": "cln"
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  "recommended_note": null,
  "spread": null
}