@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://astrothesaurus.org/uat/989>
  skos:prefLabel "Mach-Zehnder interferometers"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1171> .

<http://astrothesaurus.org/uat/1171>
  skos:altLabel "Optical phase-shifting interferometry"@en, "Phase shifting interferometry"@en, "Phase-shifting interferometry"@en ;
  skos:broader <http://astrothesaurus.org/uat/1168> ;
  skos:prefLabel "Optical phase shifting interferometry"@en ;
  skos:narrower <http://astrothesaurus.org/uat/1045>, <http://astrothesaurus.org/uat/989> ;
  a skos:Concept .

<http://astrothesaurus.org/uat/1045>
  skos:prefLabel "Michelson interferometry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1171> .

<http://astrothesaurus.org/uat/1168>
  skos:prefLabel "Optical interferometry"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1171> .