{"id":"S88007845","label":"Optical losses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh88007845","normalized_label":"optical losses","broader":["http://id.loc.gov/authorities/subjects/sh85095187"],"aliases":["Losses, Optical","Optical coupler losses","Optical fiber losses","Optical waveguide losses"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh88007845","provider":"lcsh","revision":"01651700e961d683","taxonomy_revision":"f050b5d4780b1289","title":"Optical losses","url":"/topics/S88007845","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14144759987632996928","address_version":"morton4x16-v1","coordinates":[0,20,64402,37888],"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}