{"id":"S85101978","label":"Picosecond pulses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85101978","normalized_label":"picosecond pulses","broader":[],"aliases":["Picosecond phenomena","Pulses, Picosecond","Ultrafast phenomena"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85101978","provider":"lcsh","revision":"bc360a030b0a6184","taxonomy_revision":"f050b5d4780b1289","title":"Picosecond pulses","url":"/topics/S85101978","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900931306589128256","address_version":"morton4x16-v1","coordinates":[0,20,18998,26624],"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}