{
  "jsonld": {
    "@context": "https://schema.org",
    "@type": "Dataset",
    "about": {
      "@type": "ChemicalSubstance",
      "chemicalComposition": "LiNbO3",
      "name": "lithium niobate"
    },
    "citation": [
      "https://doi.org/10.1007/978-3-540-70766-0",
      "https://doi.org/10.1007/BF00614817",
      "https://doi.org/10.1364/JOSAB.14.003319"
    ],
    "creator": {
      "@type": "Person",
      "name": "Wentao Jiang"
    },
    "description": "Ordinary refractive index of lithium niobate (LiNbO3): 11 provenance-tagged value(s) from 4 source(s) for variant(s) cln, mgo5-cln, sln. 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/refractive-index-o.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/refractive-index-o.json",
    "isAccessibleForFree": true,
    "keywords": [
      "lithium niobate",
      "LiNbO3",
      "Ordinary refractive index"
    ],
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "name": "LiNbO3 Ordinary refractive index",
    "url": "https://lithium-niobate.com/api/v1/properties/refractive-index-o.json",
    "variableMeasured": [
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (cln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.2321
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (cln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.2111
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (cln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.2865
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (mgo5-cln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.2288
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (mgo5-cln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.2082
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (mgo5-cln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.2825
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "n_o (sln)",
        "unitCode": "http://qudt.org/vocab/unit/UNITLESS",
        "unitText": "1",
        "value": 2.288
      }
    ],
    "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": 14,
    "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": "refractive-index-o"
  },
  "records": [
    {
      "category": "optical",
      "conditions": {
        "wavelength_nm": 632.8
      },
      "id": "refractive-index-o/cln/cti1999-632.8nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "notes": "Identical to Nelson & Mikulyak 1974.",
      "property": "refractive-index-o",
      "provenance": {
        "source_id": "cti1999",
        "status": "V",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2866,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 24.5,
        "wavelength_nm": 1060
      },
      "id": "refractive-index-o/cln/weis1985-1060nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "Table 2, p. 197",
        "original_reference": "Nelson & Mikulyak, J. Appl. Phys. 45, 3688 (1974)",
        "source_id": "weis1985",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2323,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 24.5,
        "wavelength_nm": 632.8
      },
      "id": "refractive-index-o/cln/weis1985-632.8nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "notes": "weis1985 Table 2 misprints n_o at 472.7 nm as 3.3597.",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "Table 2, p. 197",
        "original_reference": "Nelson & Mikulyak, J. Appl. Phys. 45, 3688 (1974)",
        "source_id": "weis1985",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2866,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 21,
        "wavelength_nm": 1064.0
      },
      "default": true,
      "id": "refractive-index-o/cln/zelmon1997-1064nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "derivation": "evaluated from dispersion model zelmon1997-cln-o at 1064 nm, 21 C by scripts/build_data.py (rounded to 1e-4)",
        "source_id": "zelmon1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2321,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 21,
        "wavelength_nm": 1550.0
      },
      "default": true,
      "id": "refractive-index-o/cln/zelmon1997-1550nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "derivation": "evaluated from dispersion model zelmon1997-cln-o at 1550 nm, 21 C by scripts/build_data.py (rounded to 1e-4)",
        "source_id": "zelmon1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2111,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 21,
        "wavelength_nm": 632.8
      },
      "default": true,
      "id": "refractive-index-o/cln/zelmon1997-632.8nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "derivation": "evaluated from dispersion model zelmon1997-cln-o at 632.8 nm, 21 C by scripts/build_data.py (rounded to 1e-4)",
        "source_id": "zelmon1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2865,
      "variant": "cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_text": "room temperature",
        "wavelength_nm": 1000
      },
      "default": true,
      "id": "refractive-index-o/lt-unspecified/bond1965-1000nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "notes": "n_e > n_o at every tabulated wavelength (0.45-4.0 um) in this dataset: LT is weakly positive uniaxial here, unlike LN.",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "refractiveindex.info LiTaO3/Bond-o tabulated data",
        "source_id": "bond1965",
        "status": "P-db",
        "transcribed": "2026-10-25",
        "via": "rii"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.1391,
      "variant": "lt-unspecified",
      "variant_note": "1965 bulk crystal"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_text": "room temperature",
        "wavelength_nm": 1600
      },
      "default": true,
      "id": "refractive-index-o/lt-unspecified/bond1965-1600nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "notes": "n_e > n_o at every tabulated wavelength (0.45-4.0 um) in this dataset: LT is weakly positive uniaxial here, unlike LN.",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "refractiveindex.info LiTaO3/Bond-o tabulated data",
        "source_id": "bond1965",
        "status": "P-db",
        "transcribed": "2026-10-25",
        "via": "rii"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.1174,
      "variant": "lt-unspecified",
      "variant_note": "1965 bulk crystal"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_text": "room temperature",
        "wavelength_nm": 600
      },
      "default": true,
      "id": "refractive-index-o/lt-unspecified/bond1965-600nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "notes": "n_e > n_o at every tabulated wavelength (0.45-4.0 um) in this dataset: LT is weakly positive uniaxial here, unlike LN.",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "refractiveindex.info LiTaO3/Bond-o tabulated data",
        "source_id": "bond1965",
        "status": "P-db",
        "transcribed": "2026-10-25",
        "via": "rii"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.1834,
      "variant": "lt-unspecified",
      "variant_note": "1965 bulk crystal"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 21,
        "wavelength_nm": 1064.0
      },
      "default": true,
      "id": "refractive-index-o/mgo5-cln/zelmon1997-1064nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "derivation": "evaluated from dispersion model zelmon1997-mgo5-o at 1064 nm, 21 C by scripts/build_data.py (rounded to 1e-4)",
        "source_id": "zelmon1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2288,
      "variant": "mgo5-cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 21,
        "wavelength_nm": 1550.0
      },
      "default": true,
      "id": "refractive-index-o/mgo5-cln/zelmon1997-1550nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "derivation": "evaluated from dispersion model zelmon1997-mgo5-o at 1550 nm, 21 C by scripts/build_data.py (rounded to 1e-4)",
        "source_id": "zelmon1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2082,
      "variant": "mgo5-cln"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 21,
        "wavelength_nm": 632.8
      },
      "default": true,
      "id": "refractive-index-o/mgo5-cln/zelmon1997-632.8nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "derivation": "evaluated from dispersion model zelmon1997-mgo5-o at 632.8 nm, 21 C by scripts/build_data.py (rounded to 1e-4)",
        "source_id": "zelmon1997",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.2825,
      "variant": "mgo5-cln"
    },
    {
      "category": "optical",
      "conditions": {
        "wavelength_nm": 633
      },
      "default": true,
      "id": "refractive-index-o/sln/volk2008-633nm",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "Table 1.2, p. 4 (refs. [26-28])",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.288,
      "variant": "sln",
      "variant_note": "near-stoichiometric"
    },
    {
      "category": "optical",
      "conditions": {
        "temperature_C": 25,
        "wavelength_nm": 632.8
      },
      "id": "refractive-index-o/sln/weis1985-boyd1967",
      "kind": "scalar",
      "name": "Ordinary refractive index",
      "notes": "Conflicts with volk2008 near-SLN values.",
      "property": "refractive-index-o",
      "provenance": {
        "locator": "Table 2, p. 197",
        "original_reference": "Boyd, Bond, Carter, J. Appl. Phys. 38, 1941 (1967)",
        "source_id": "weis1985",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "n_o",
      "unit": {
        "display": "-",
        "qudt": "http://qudt.org/vocab/unit/UNITLESS",
        "ucum": "1"
      },
      "value": 2.291,
      "variant": "sln",
      "variant_note": "labelled 'stoichiometric' (1967 crystal)"
    }
  ]
}