{"id":"S2005020245","label":"Optical parametric oscillators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2005020245","normalized_label":"optical parametric oscillators","broader":["http://id.loc.gov/authorities/subjects/sh2005020246","http://id.loc.gov/authorities/subjects/sh85095200"],"aliases":["OPOs (Optical parametric oscillators)","Oscillators, Optical parametric"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2005020245","provider":"lcsh","revision":"66682a7f2c71ce73","taxonomy_revision":"f050b5d4780b1289","title":"Optical parametric oscillators","url":"/topics/S2005020245","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"578791727193023012","address_version":"morton4x16-v1","coordinates":[0,478,2233,21504],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}