{"id":"S85074773","label":"Laser communication systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85074773","normalized_label":"laser communication systems","broader":["http://id.loc.gov/authorities/subjects/sh85067129","http://id.loc.gov/authorities/subjects/sh85095142","http://id.loc.gov/authorities/subjects/sh85133301"],"aliases":["Coherent light communication systems","Communication systems, Optical (Laser-based)","Light communication systems, Laser-based","Optical communication systems, Laser-based"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85074773","provider":"lcsh","revision":"99d70e5b5b00f8c7","taxonomy_revision":"f050b5d4780b1289","title":"Laser communication systems","url":"/topics/S85074773","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867022094179911172","address_version":"morton4x16-v1","coordinates":[0,20,18573,21504],"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}