{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:3UYMRPFJNCJYQQLAZT4CDYJUU4","short_pith_number":"pith:3UYMRPFJ","schema_version":"1.0","canonical_sha256":"dd30c8bca96893884160ccf821e134a72a7deb8414a4438deb5475fc0d97ec9d","source":{"kind":"arxiv","id":"1405.7548","version":1},"attestation_state":"computed","paper":{"title":"Focusing and imaging with increased numerical apertures through multimode fibers with micro-fabricated optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"C. Liberale, E. di Fabrizio, L. Ferrara, R. Di Leonardo, S. Bianchi, V. P. Rajamanickam","submitted_at":"2014-05-29T13:16:58Z","abstract_excerpt":"The use of individual multimode optical fibers in endoscopy applications has the potential to provide highly miniaturized and noninvasive probes for microscopy and optical micromanipulation. A few different strategies have been proposed recently, but they all suffer from intrinsically low resolution related to the low numerical aperture of multimode fibers. Here, we show that two-photon polymerization allows for direct fabrication of micro-optics components on the fiber end, resulting in an increase of the numerical aperture to a value that is close to 1. Coupling light into the fiber through "},"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":"1405.7548","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-05-29T13:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"ffcd4ed4a2a3bea1ce9651866089a94a8177b2d8f4fe11288716c45ade1217f3","abstract_canon_sha256":"793f7072349f428de0cb9849f71bceaa1aad537f577eb181cf3f2e482652c8b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:50.989279Z","signature_b64":"TFEK6WftWbWAITb/ysiKQp2TEC6pYrRVizGYLZTHjyTeFf9vncvgzyficHYWnfka3jtBVXy3VyCHHuwKf+DHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd30c8bca96893884160ccf821e134a72a7deb8414a4438deb5475fc0d97ec9d","last_reissued_at":"2026-05-18T02:50:50.988821Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:50.988821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Focusing and imaging with increased numerical apertures through multimode fibers with micro-fabricated optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"C. Liberale, E. di Fabrizio, L. Ferrara, R. Di Leonardo, S. Bianchi, V. P. Rajamanickam","submitted_at":"2014-05-29T13:16:58Z","abstract_excerpt":"The use of individual multimode optical fibers in endoscopy applications has the potential to provide highly miniaturized and noninvasive probes for microscopy and optical micromanipulation. A few different strategies have been proposed recently, but they all suffer from intrinsically low resolution related to the low numerical aperture of multimode fibers. Here, we show that two-photon polymerization allows for direct fabrication of micro-optics components on the fiber end, resulting in an increase of the numerical aperture to a value that is close to 1. Coupling light into the fiber through "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7548","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":"1405.7548","created_at":"2026-05-18T02:50:50.988889+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.7548v1","created_at":"2026-05-18T02:50:50.988889+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7548","created_at":"2026-05-18T02:50:50.988889+00:00"},{"alias_kind":"pith_short_12","alias_value":"3UYMRPFJNCJY","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"3UYMRPFJNCJYQQLA","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"3UYMRPFJ","created_at":"2026-05-18T12:28:11.866339+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/3UYMRPFJNCJYQQLAZT4CDYJUU4","json":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4.json","graph_json":"https://pith.science/api/pith-number/3UYMRPFJNCJYQQLAZT4CDYJUU4/graph.json","events_json":"https://pith.science/api/pith-number/3UYMRPFJNCJYQQLAZT4CDYJUU4/events.json","paper":"https://pith.science/paper/3UYMRPFJ"},"agent_actions":{"view_html":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4","download_json":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4.json","view_paper":"https://pith.science/paper/3UYMRPFJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.7548&json=true","fetch_graph":"https://pith.science/api/pith-number/3UYMRPFJNCJYQQLAZT4CDYJUU4/graph.json","fetch_events":"https://pith.science/api/pith-number/3UYMRPFJNCJYQQLAZT4CDYJUU4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4/action/storage_attestation","attest_author":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4/action/author_attestation","sign_citation":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4/action/citation_signature","submit_replication":"https://pith.science/pith/3UYMRPFJNCJYQQLAZT4CDYJUU4/action/replication_record"}},"created_at":"2026-05-18T02:50:50.988889+00:00","updated_at":"2026-05-18T02:50:50.988889+00:00"}