{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:IDT5F2AEBTVDPFGR7QVRUYMJFX","short_pith_number":"pith:IDT5F2AE","schema_version":"1.0","canonical_sha256":"40e7d2e8040cea3794d1fc2b1a61892dfdba22073aa0396d2419ccfff5ba87de","source":{"kind":"arxiv","id":"1710.00035","version":1},"attestation_state":"computed","paper":{"title":"Generation of High-Purity Millimeter-Wave Orbital Angular Momentum Modes Using Horn Antenna: Theory and Implementation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.class-ph","authors_text":"Jian Ren, Kwok Wa Leung","submitted_at":"2017-09-07T08:47:23Z","abstract_excerpt":"Twisted electromagnetic waves, of which the helical phase front is called orbital angular momentum (OAM), have been recently explored for quantum information, high speed communication and radar detections. In this context, generation of high purity waves carrying OAM is of great significance and challenge from low frequency band to optical area. Here, a novel strategy of mode combination method is proposed to generate twisted waves with arbitrary order of OAM index. The higher order mode of a circular horn antenna is used to generate the twisted waves with quite high purity. The proposed strat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1710.00035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2017-09-07T08:47:23Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"bacab9b941161b1c1bf02312355911eac47f83931f25f56f8475c67b184517ae","abstract_canon_sha256":"c2c26a4871d12dc370b140b9ffa86799590cb32d5148f1575677be38872397fe"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:58.048675Z","signature_b64":"FiDrCQM28V+qP13huWdjfV2ZwTpLhPKicRJHUHdlaN3sLNrvhksSiD45f6cTR6KEhEABAdBEwOWJraj2+U7CAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40e7d2e8040cea3794d1fc2b1a61892dfdba22073aa0396d2419ccfff5ba87de","last_reissued_at":"2026-05-18T00:33:58.047751Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:58.047751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generation of High-Purity Millimeter-Wave Orbital Angular Momentum Modes Using Horn Antenna: Theory and Implementation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.class-ph","authors_text":"Jian Ren, Kwok Wa Leung","submitted_at":"2017-09-07T08:47:23Z","abstract_excerpt":"Twisted electromagnetic waves, of which the helical phase front is called orbital angular momentum (OAM), have been recently explored for quantum information, high speed communication and radar detections. In this context, generation of high purity waves carrying OAM is of great significance and challenge from low frequency band to optical area. Here, a novel strategy of mode combination method is proposed to generate twisted waves with arbitrary order of OAM index. The higher order mode of a circular horn antenna is used to generate the twisted waves with quite high purity. The proposed strat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00035","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1710.00035","created_at":"2026-05-18T00:33:58.047915+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.00035v1","created_at":"2026-05-18T00:33:58.047915+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00035","created_at":"2026-05-18T00:33:58.047915+00:00"},{"alias_kind":"pith_short_12","alias_value":"IDT5F2AEBTVD","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_16","alias_value":"IDT5F2AEBTVDPFGR","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_8","alias_value":"IDT5F2AE","created_at":"2026-05-18T12:31:21.493067+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX","json":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX.json","graph_json":"https://pith.science/api/pith-number/IDT5F2AEBTVDPFGR7QVRUYMJFX/graph.json","events_json":"https://pith.science/api/pith-number/IDT5F2AEBTVDPFGR7QVRUYMJFX/events.json","paper":"https://pith.science/paper/IDT5F2AE"},"agent_actions":{"view_html":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX","download_json":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX.json","view_paper":"https://pith.science/paper/IDT5F2AE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.00035&json=true","fetch_graph":"https://pith.science/api/pith-number/IDT5F2AEBTVDPFGR7QVRUYMJFX/graph.json","fetch_events":"https://pith.science/api/pith-number/IDT5F2AEBTVDPFGR7QVRUYMJFX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX/action/storage_attestation","attest_author":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX/action/author_attestation","sign_citation":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX/action/citation_signature","submit_replication":"https://pith.science/pith/IDT5F2AEBTVDPFGR7QVRUYMJFX/action/replication_record"}},"created_at":"2026-05-18T00:33:58.047915+00:00","updated_at":"2026-05-18T00:33:58.047915+00:00"}