{"equipment_type_id":"oam-mode-sorter","revision":1,"title":"Phase-resolved OAM and multimode sorter","description":"A capability type for separating and measuring finite orbital-angular-momentum and transverse-mode bases.","capabilities":[{"capability_id":"oam-modal-decomposition","capability":"finite OAM/modal decomposition","units":"mode","specification":"declared basis size and cross-talk matrix"},{"capability_id":"oam-phase-reference","capability":"phase-referenced complex field measurement","units":"rad","specification":"stable reference and timestamped phase calibration"}],"operating_limits":[{"operating_limit_id":"oam-basis-limit","parameter":"modal basis size","lower_bound":"1","upper_bound":"declared","units":"modes","notes":"Report truncation tails."}],"calibrations":[{"equipment_calibration_id":"oam-cross-talk","quantity":"modal cross-talk","units":"fraction","method":"single-mode sweep","traceability":"retain calibration matrix"}],"safety_requirements":[{"safety_requirement_id":"oam-beam-enclosure","hazard":"focused beam","requirement":"beam enclosure","mitigation":"interlocked path"}],"interface_requirements":[{"interface_requirement_id":"oam-data-interface","interface_kind":"data","specification":"complex modal amplitudes plus calibration metadata","units":"file"}],"nonclaims":["No OAM conservation or collision result follows from this capability type."],"citations":[{"source_id":"oam-light-context","label":"Orbital angular momentum of light context","url":"https://arxiv.org/abs/1009.2675"}],"authority":"illustrative-unadmitted-fixture","source_fixture":"cintamani.illustrative-equipment-types.v1","canonical_admission":false,"inventory":false,"procurement":false}