{"collection":"equipment-type-history:oam-mode-sorter","items":[{"history_family":"equipment-type-version","event_id":"oam-mode-sorter@1","revision":1,"event_kind":"definition","title":"Phase-resolved OAM and multimode sorter"}],"next_cursor":null,"bounded":true,"authority":"illustrative-unadmitted-fixture","canonical_admission":false}