{"id":"S85074782","label":"Laser pulses, Ultrashort","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85074782","normalized_label":"laser pulses, ultrashort","broader":["http://id.loc.gov/authorities/subjects/sh85074768","http://id.loc.gov/authorities/subjects/sh85109042"],"aliases":["Laser pulses, Picosecond","Light pulses, Picosecond","Light pulses, Ultrashort","Picosecond laser pulses","Picosecond light pulses","Ultrashort laser pulses","Ultrashort light pulses"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85074782","provider":"lcsh","revision":"4cc8fb703bca7c91","taxonomy_revision":"f050b5d4780b1289","title":"Laser pulses, Ultrashort","url":"/topics/S85074782","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903182832594208260","address_version":"morton4x16-v1","coordinates":[0,20,18573,30720],"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}