@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/birefringence>
  skos:prefLabel "birefringence"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optical_phenomena> .

<https://concepts.sagepub.com/social-science/concept/anisotropy>
  skos:prefLabel "anisotropy"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optical_phenomena> .

<https://concepts.sagepub.com/social-science/concept/light_(physics)>
  skos:prefLabel "light (physics)"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optical_phenomena> .

<https://concepts.sagepub.com/social-science/concept/optical_processes>
  skos:prefLabel "optical processes"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optical_phenomena> .

<https://concepts.sagepub.com/social-science/concept/physical_phenomena>
  skos:prefLabel "physical phenomena"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/optical_phenomena> .

<https://concepts.sagepub.com/social-science/concept/optical_phenomena>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/optical_processes>, <https://concepts.sagepub.com/social-science/concept/light_(physics)>, <https://concepts.sagepub.com/social-science/concept/birefringence>, <https://concepts.sagepub.com/social-science/concept/anisotropy> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D055620.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/physical_phenomena> ;
  skos:prefLabel "optical phenomena"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/optical_phenomena> .