{
  "broaderTermGeneral" : [ {
    "id" : "https://d-nb.info/gnd/4195781-7",
    "label" : "Apertur"
  } ],
  "describedBy" : {
    "id" : "https://d-nb.info/gnd/1133103480/about",
    "maintainer" : {
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      "label" : "https://ld.zdb-services.de/resource/organisations/DE-601"
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    "dctCreator" : {
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      "label" : "https://ld.zdb-services.de/resource/organisations/DE-89"
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    "license" : {
      "id" : "http://creativecommons.org/publicdomain/zero/1.0/",
      "label" : "http://creativecommons.org/publicdomain/zero/1.0/"
    },
    "dateModified" : "2019-07-22T14:49:33.000",
    "descriptionLevel" : {
      "id" : "https://d-nb.info/standards/vocab/gnd/description-level#1",
      "label" : "Katalogisierungslevel 1"
    }
  },
  "definition" : [ "Die numerische Apertur beschreibt das Vermögen eines optischen Elements, Licht zu fokussieren. Bei Objektiven bestimmt sie die minimale Größe des in seinem Fokus erzeugbaren Lichtflecks und ist somit eine wichtige, die Auflösung begrenzende Größe." ],
  "gndIdentifier" : "1133103480",
  "id" : "https://d-nb.info/gnd/1133103480",
  "preferredName" : "Numerische Apertur",
  "type" : [ "SubjectHeading", "SubjectHeadingSensoStricto", "AuthorityResource" ],
  "variantName" : [ "Numerical aperture" ],
  "@context" : "https://lobid.org/gnd/context.jsonld",
  "gndSubjectCategory" : [ {
    "id" : "https://d-nb.info/standards/vocab/gnd/gnd-sc#21.3",
    "label" : "Elektrizität, Magnetismus, Optik"
  }, {
    "id" : "https://d-nb.info/standards/vocab/gnd/gnd-sc#31.9b",
    "label" : "Elektronik, Nachrichtentechnik"
  } ],
  "relatedPerson" : [ {
    "id" : "https://d-nb.info/gnd/118646419",
    "label" : "Abbe, Ernst"
  } ],
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