angular wavenumber

{
  "id": "NISTq115",
  "unitsml_id": "q:angular_wavenumber",
  "name": "angular wavenumber",
  "names": [
    {
      "value": "angular wavenumber",
      "lang": "en"
    },
    {
      "value": "angular repetency",
      "lang": "en"
    }
  ],
  "short": "angular_wavenumber",
  "type": "derived",
  "dimension": {
    "id": "NISTd29",
    "name": "wavenumber",
    "expression": "L-1",
    "components": [
      {
        "key": "length",
        "symbol": "L",
        "power": -1
      }
    ],
    "dimensionless": false
  },
  "units": [
    {
      "id": "NISTu1e-1/1",
      "name": "meter to the power minus one",
      "symbol": "m⁻¹"
    },
    {
      "id": "NISTu9.u1e-1/1",
      "name": "radian per meter",
      "symbol": "rad/m"
    }
  ],
  "unit_count": 2,
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTq115"
    },
    {
      "type": "unitsml",
      "id": "q:angular_wavenumber"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/quantitykind/AngularWavenumber"
    }
  ]
}