{"id":"S85074788","label":"Lasers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85074788","normalized_label":"lasers","broader":["http://id.loc.gov/authorities/subjects/sh85076884","http://id.loc.gov/authorities/subjects/sh85076909","http://id.loc.gov/authorities/subjects/sh85095200"],"aliases":["Light amplification by stimulated emission of radiation","Masers, Optical","Optical masers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85074788","provider":"lcsh","revision":"993491fa719316da","taxonomy_revision":"f050b5d4780b1289","title":"Lasers","url":"/topics/S85074788","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513924582638241284","address_version":"morton4x16-v1","coordinates":[0,20,18573,36864],"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}