{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:EH3T5WEHSNF4VS7W76GHDSKKQJ","short_pith_number":"pith:EH3T5WEH","schema_version":"1.0","canonical_sha256":"21f73ed887934bcacbf6ff8c71c94a82664f9a4ee5fabdf109f3985b6db83b4f","source":{"kind":"arxiv","id":"1209.5195","version":2},"attestation_state":"computed","paper":{"title":"Probing of optical near-fields by electron rescattering on the 1 nm scale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"physics.optics","authors_text":"Markus Schenk, Michael F\\\"orster, Michael Kr\\\"uger, Peter Hommelhoff, Sebastian Thomas","submitted_at":"2012-09-24T08:49:28Z","abstract_excerpt":"We present a new method of measuring optical near-fields within ~1 nm of a metal surface, based on rescattering of photoemitted electrons. With this method, we precisely measure the field enhancement factor for tungsten and gold nanotips as a function of tip radius. The agreement with Maxwell simulations is very good. Further simulations yield a field enhancement map for all materials, which shows that optical near-fields at nanotips are governed by a geometric effect under most conditions, while plasmon resonances play only a minor role. Last, we consider the implications of our results on qu"},"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":"1209.5195","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-09-24T08:49:28Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"5329abc5feb678bf87c880461aaa4a5c25d88dd488c7de5c52009e6b1984e8ab","abstract_canon_sha256":"22bfda71f6f3aa7134a0c637eadafdf2d4a0568baee1b8a1f2f7ed60e4fa8e34"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:20.308541Z","signature_b64":"awcqp6cNY9SsRI/MBtjVwffUL279D4Bcmp1kAslY02pEjFUficyrqBFCagUkAbElhqycEiYWKdVy5/0hd1H6BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21f73ed887934bcacbf6ff8c71c94a82664f9a4ee5fabdf109f3985b6db83b4f","last_reissued_at":"2026-05-18T03:13:20.307976Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:20.307976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing of optical near-fields by electron rescattering on the 1 nm scale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"physics.optics","authors_text":"Markus Schenk, Michael F\\\"orster, Michael Kr\\\"uger, Peter Hommelhoff, Sebastian Thomas","submitted_at":"2012-09-24T08:49:28Z","abstract_excerpt":"We present a new method of measuring optical near-fields within ~1 nm of a metal surface, based on rescattering of photoemitted electrons. With this method, we precisely measure the field enhancement factor for tungsten and gold nanotips as a function of tip radius. The agreement with Maxwell simulations is very good. Further simulations yield a field enhancement map for all materials, which shows that optical near-fields at nanotips are governed by a geometric effect under most conditions, while plasmon resonances play only a minor role. Last, we consider the implications of our results on qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5195","kind":"arxiv","version":2},"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":"1209.5195","created_at":"2026-05-18T03:13:20.308063+00:00"},{"alias_kind":"arxiv_version","alias_value":"1209.5195v2","created_at":"2026-05-18T03:13:20.308063+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5195","created_at":"2026-05-18T03:13:20.308063+00:00"},{"alias_kind":"pith_short_12","alias_value":"EH3T5WEHSNF4","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_16","alias_value":"EH3T5WEHSNF4VS7W","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_8","alias_value":"EH3T5WEH","created_at":"2026-05-18T12:27:04.183437+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/EH3T5WEHSNF4VS7W76GHDSKKQJ","json":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ.json","graph_json":"https://pith.science/api/pith-number/EH3T5WEHSNF4VS7W76GHDSKKQJ/graph.json","events_json":"https://pith.science/api/pith-number/EH3T5WEHSNF4VS7W76GHDSKKQJ/events.json","paper":"https://pith.science/paper/EH3T5WEH"},"agent_actions":{"view_html":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ","download_json":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ.json","view_paper":"https://pith.science/paper/EH3T5WEH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1209.5195&json=true","fetch_graph":"https://pith.science/api/pith-number/EH3T5WEHSNF4VS7W76GHDSKKQJ/graph.json","fetch_events":"https://pith.science/api/pith-number/EH3T5WEHSNF4VS7W76GHDSKKQJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ/action/storage_attestation","attest_author":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ/action/author_attestation","sign_citation":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ/action/citation_signature","submit_replication":"https://pith.science/pith/EH3T5WEHSNF4VS7W76GHDSKKQJ/action/replication_record"}},"created_at":"2026-05-18T03:13:20.308063+00:00","updated_at":"2026-05-18T03:13:20.308063+00:00"}