{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:Q5N2R6NWZ3AQUX4VCN32P3KJWZ","short_pith_number":"pith:Q5N2R6NW","schema_version":"1.0","canonical_sha256":"875ba8f9b6cec10a5f951377a7ed49b648d0e6db123317e8a230f999682b6519","source":{"kind":"arxiv","id":"1412.8172","version":2},"attestation_state":"computed","paper":{"title":"Large optical field enhancement for nanotips with large opening angles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Christoph Lemell, Georg Wachter, Joachim Burgd\\\"orfer, Peter Hommelhoff, Sebastian Thomas","submitted_at":"2014-12-28T14:39:11Z","abstract_excerpt":"We theoretically investigate the dependence of the enhancement of optical near-fields at nanometric tips on the shape, size, and material of the tip. We confirm a strong dependence of the field enhancement factor on the radius of curvature. In addition, we find a surprisingly strong increase of field enhancement with increasing opening angle of the nanotips. For gold and tungsten nanotips in the experimentally relevant parameter range (radius of curvature $\\geq 5\\,$nm at $800\\,$nm laser wavelength), we obtain field enhancement factors of up to ${\\sim}35$ for Au and ${\\sim}12$ for W for large o"},"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":"1412.8172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-12-28T14:39:11Z","cross_cats_sorted":[],"title_canon_sha256":"a8a09e467ae95b7677c9f75542bf2429406a8f6c92e51cc3ca0fc8b7d8ad7676","abstract_canon_sha256":"7698cb140c67d0cf03cf79659d20da468a9b4285278351238f23ca87703ebdaa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:04.968424Z","signature_b64":"B/KIG2jteaDk/jwaLJ6yJT8c98SU6ZrUFVonlxHNcq0C4aM0S2qV5+/9yRwSgznD/75SruAVixgpjaC1zruCDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"875ba8f9b6cec10a5f951377a7ed49b648d0e6db123317e8a230f999682b6519","last_reissued_at":"2026-05-18T01:35:04.967818Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:04.967818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large optical field enhancement for nanotips with large opening angles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Christoph Lemell, Georg Wachter, Joachim Burgd\\\"orfer, Peter Hommelhoff, Sebastian Thomas","submitted_at":"2014-12-28T14:39:11Z","abstract_excerpt":"We theoretically investigate the dependence of the enhancement of optical near-fields at nanometric tips on the shape, size, and material of the tip. We confirm a strong dependence of the field enhancement factor on the radius of curvature. In addition, we find a surprisingly strong increase of field enhancement with increasing opening angle of the nanotips. For gold and tungsten nanotips in the experimentally relevant parameter range (radius of curvature $\\geq 5\\,$nm at $800\\,$nm laser wavelength), we obtain field enhancement factors of up to ${\\sim}35$ for Au and ${\\sim}12$ for W for large o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.8172","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":"1412.8172","created_at":"2026-05-18T01:35:04.967908+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.8172v2","created_at":"2026-05-18T01:35:04.967908+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.8172","created_at":"2026-05-18T01:35:04.967908+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q5N2R6NWZ3AQ","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q5N2R6NWZ3AQUX4V","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q5N2R6NW","created_at":"2026-05-18T12:28:43.426989+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/Q5N2R6NWZ3AQUX4VCN32P3KJWZ","json":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ.json","graph_json":"https://pith.science/api/pith-number/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/graph.json","events_json":"https://pith.science/api/pith-number/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/events.json","paper":"https://pith.science/paper/Q5N2R6NW"},"agent_actions":{"view_html":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ","download_json":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ.json","view_paper":"https://pith.science/paper/Q5N2R6NW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.8172&json=true","fetch_graph":"https://pith.science/api/pith-number/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/graph.json","fetch_events":"https://pith.science/api/pith-number/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/action/storage_attestation","attest_author":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/action/author_attestation","sign_citation":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/action/citation_signature","submit_replication":"https://pith.science/pith/Q5N2R6NWZ3AQUX4VCN32P3KJWZ/action/replication_record"}},"created_at":"2026-05-18T01:35:04.967908+00:00","updated_at":"2026-05-18T01:35:04.967908+00:00"}