{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:OCR2QMTACXC7LLXZ23NNL7C5H3","short_pith_number":"pith:OCR2QMTA","schema_version":"1.0","canonical_sha256":"70a3a8326015c5f5aef9d6dad5fc5d3ed33761dfa0d34f6eb31d0b99688a5e2b","source":{"kind":"arxiv","id":"1710.03719","version":1},"attestation_state":"computed","paper":{"title":"Spectral and spatial shaping of Smith Purcell Radiation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ady Arie, Charles Roques-Carmes, Ido Kaminer, Marin Solja\\v{c}i\\'c, Niv Shapira, Roei Remez, Romain Tirole, Yi Yang, Yossi Lereah","submitted_at":"2017-10-10T16:44:18Z","abstract_excerpt":"The Smith Purcell effect, observed when an electron beam passes in the vicinity of a periodic structure, is a promising platform for the generation of electromagnetic radiation in previously-unreachable spectral ranges. However, most of the studies of this radiation were performed on simple periodic gratings, whose radiation spectrum exhibits a single peak and its higher harmonics predicted by a well-established dispersion relation. Here, we propose a method to shape the spatial and spectral far-field distribution of the radiation using complex periodic and aperiodic gratings. We show, theoret"},"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":"1710.03719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-10T16:44:18Z","cross_cats_sorted":[],"title_canon_sha256":"3067f990fda6c0e9f4142c2b622433614a1bb62345f78f467890226a3f9e3072","abstract_canon_sha256":"fa731b30a7dd6769ec82782c2dcb5e779e42cd193f973af87bdfcd6db9a6f94e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:13.584783Z","signature_b64":"SMSYKlXBCKY5x+KZWg31cv+lxaKDeWDxJSgvzFjX/Zg5WT6NPgq9zuw3jMsXZehjo4maJ4bfDwIGWCN4EGcbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70a3a8326015c5f5aef9d6dad5fc5d3ed33761dfa0d34f6eb31d0b99688a5e2b","last_reissued_at":"2026-05-18T00:28:13.584118Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:13.584118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral and spatial shaping of Smith Purcell Radiation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ady Arie, Charles Roques-Carmes, Ido Kaminer, Marin Solja\\v{c}i\\'c, Niv Shapira, Roei Remez, Romain Tirole, Yi Yang, Yossi Lereah","submitted_at":"2017-10-10T16:44:18Z","abstract_excerpt":"The Smith Purcell effect, observed when an electron beam passes in the vicinity of a periodic structure, is a promising platform for the generation of electromagnetic radiation in previously-unreachable spectral ranges. However, most of the studies of this radiation were performed on simple periodic gratings, whose radiation spectrum exhibits a single peak and its higher harmonics predicted by a well-established dispersion relation. Here, we propose a method to shape the spatial and spectral far-field distribution of the radiation using complex periodic and aperiodic gratings. We show, theoret"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.03719","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":"1710.03719","created_at":"2026-05-18T00:28:13.584218+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.03719v1","created_at":"2026-05-18T00:28:13.584218+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.03719","created_at":"2026-05-18T00:28:13.584218+00:00"},{"alias_kind":"pith_short_12","alias_value":"OCR2QMTACXC7","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"OCR2QMTACXC7LLXZ","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"OCR2QMTA","created_at":"2026-05-18T12:31:34.259226+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/OCR2QMTACXC7LLXZ23NNL7C5H3","json":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3.json","graph_json":"https://pith.science/api/pith-number/OCR2QMTACXC7LLXZ23NNL7C5H3/graph.json","events_json":"https://pith.science/api/pith-number/OCR2QMTACXC7LLXZ23NNL7C5H3/events.json","paper":"https://pith.science/paper/OCR2QMTA"},"agent_actions":{"view_html":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3","download_json":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3.json","view_paper":"https://pith.science/paper/OCR2QMTA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.03719&json=true","fetch_graph":"https://pith.science/api/pith-number/OCR2QMTACXC7LLXZ23NNL7C5H3/graph.json","fetch_events":"https://pith.science/api/pith-number/OCR2QMTACXC7LLXZ23NNL7C5H3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3/action/storage_attestation","attest_author":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3/action/author_attestation","sign_citation":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3/action/citation_signature","submit_replication":"https://pith.science/pith/OCR2QMTACXC7LLXZ23NNL7C5H3/action/replication_record"}},"created_at":"2026-05-18T00:28:13.584218+00:00","updated_at":"2026-05-18T00:28:13.584218+00:00"}