{
  "jsonld": {
    "@context": "https://schema.org",
    "@type": "Dataset",
    "about": {
      "@type": "ChemicalSubstance",
      "chemicalComposition": "LiNbO3",
      "name": "lithium niobate"
    },
    "citation": [
      "https://doi.org/10.1364/OL.22.001553",
      "https://doi.org/10.1063/1.1988987"
    ],
    "creator": {
      "@type": "Person",
      "name": "Wentao Jiang"
    },
    "description": "Thermo-optic coefficient, extraordinary of lithium niobate (LiNbO3): 5 provenance-tagged value(s) from 2 source(s) for variant(s) cln. Each value carries conditions, uncertainty, the source locator and a status code (P primary, P-comp compilation, P-db database, S secondary, V vendor, C computed).",
    "distribution": [
      {
        "@type": "DataDownload",
        "contentUrl": "https://lithium-niobate.com/api/v1/properties/dne-dt.json",
        "encodingFormat": "application/json"
      },
      {
        "@type": "DataDownload",
        "contentUrl": "https://lithium-niobate.com/api/v1/properties.csv",
        "encodingFormat": "text/csv"
      }
    ],
    "identifier": "https://lithium-niobate.com/api/v1/properties/dne-dt.json",
    "isAccessibleForFree": true,
    "keywords": [
      "lithium niobate",
      "LiNbO3",
      "Thermo-optic coefficient, extraordinary"
    ],
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "name": "LiNbO3 Thermo-optic coefficient, extraordinary",
    "url": "https://lithium-niobate.com/api/v1/properties/dne-dt.json",
    "variableMeasured": [
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "dn_e/dT (cln)",
        "unitCode": "http://qudt.org/vocab/unit/PER-K",
        "unitText": "/K",
        "value": 3.75e-05
      }
    ],
    "version": "0.1.0"
  },
  "meta": {
    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "count": 5,
    "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": "dne-dt"
  },
  "records": [
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 25,
        "wavelength_nm": 1064
      },
      "id": "dne-dt/cln/jundt1997-1064nm",
      "kind": "scalar",
      "name": "Thermo-optic coefficient, extraordinary",
      "property": "dne-dt",
      "provenance": {
        "derivation": "derivative of the Jundt 1997 n_e(T) Sellmeier at 25 C; coefficients status S (via a secondary source)",
        "source_id": "jundt1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "dn_e/dT",
      "unit": {
        "display": "1/K",
        "qudt": "http://qudt.org/vocab/unit/PER-K",
        "ucum": "/K"
      },
      "value": 4.01e-05,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 25,
        "wavelength_nm": 1550
      },
      "default": true,
      "id": "dne-dt/cln/jundt1997-1550nm",
      "kind": "scalar",
      "name": "Thermo-optic coefficient, extraordinary",
      "property": "dne-dt",
      "provenance": {
        "derivation": "derivative of the Jundt 1997 n_e(T) Sellmeier at 25 C; coefficients status S (via a secondary source)",
        "source_id": "jundt1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "dn_e/dT",
      "unit": {
        "display": "1/K",
        "qudt": "http://qudt.org/vocab/unit/PER-K",
        "ucum": "/K"
      },
      "value": 3.75e-05,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 25,
        "wavelength_nm": 633
      },
      "id": "dne-dt/cln/jundt1997-633nm",
      "kind": "scalar",
      "name": "Thermo-optic coefficient, extraordinary",
      "property": "dne-dt",
      "provenance": {
        "derivation": "derivative of the Jundt 1997 n_e(T) Sellmeier at 25 C; coefficients status S (via a secondary source)",
        "source_id": "jundt1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "dn_e/dT",
      "unit": {
        "display": "1/K",
        "qudt": "http://qudt.org/vocab/unit/PER-K",
        "ucum": "/K"
      },
      "value": 4.89e-05,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": null,
        "temperature_text": "300 K",
        "wavelength_nm": 1523
      },
      "id": "dne-dt/cln/moretti2005-1523nm",
      "kind": "scalar",
      "name": "Thermo-optic coefficient, extraordinary",
      "notes": "Quoted by zhu2021; moretti2005's own table not read.",
      "property": "dne-dt",
      "provenance": {
        "source_id": "moretti2005",
        "status": "S",
        "transcribed": "2026-10-25",
        "via": "zhu2021"
      },
      "public": true,
      "symbol": "dn_e/dT",
      "unit": {
        "display": "1/K",
        "qudt": "http://qudt.org/vocab/unit/PER-K",
        "ucum": "/K"
      },
      "value": 3.34e-05,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_text": "300 K",
        "wavelength_nm": 632
      },
      "id": "dne-dt/cln/moretti2005-632nm-300k",
      "kind": "scalar",
      "name": "Thermo-optic coefficient, extraordinary",
      "notes": "16% below the Jundt-derived value at 633 nm.",
      "property": "dne-dt",
      "provenance": {
        "derivation": "dn_e/dT = (-2.6 + 22.4e-3 T) x 1.0e-5 per K evaluated at T = 300 K (T in K inferred); formula status S",
        "locator": "schwesyg2011 Eqs. (2.26)-(2.27)",
        "source_id": "moretti2005",
        "status": "C",
        "transcribed": "2026-10-25",
        "via": "schwesyg2011"
      },
      "public": true,
      "symbol": "dn_e/dT",
      "unit": {
        "display": "1/K",
        "qudt": "http://qudt.org/vocab/unit/PER-K",
        "ucum": "/K"
      },
      "value": 4.12e-05,
      "variant": "cln"
    }
  ]
}