{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:VK44BNIR2WY2BDRIW42SPVGZOY","short_pith_number":"pith:VK44BNIR","schema_version":"1.0","canonical_sha256":"aab9c0b511d5b1a08e28b73527d4d976155148c9ceb94932ed5899a1781d3246","source":{"kind":"arxiv","id":"2001.06523","version":1},"attestation_state":"computed","paper":{"title":"Large-area, high-NA Multi-level Diffractive Lens via inverse design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"physics.optics","authors_text":"Beradi Sensale-Rodriguez, Christian Pies, Monjurul Meem, Rajesh Menon, Sourangsu Banerji, Timo Oberbiermann","submitted_at":"2020-01-17T20:29:26Z","abstract_excerpt":"Flat lenses enable thinner, lighter, and simpler imaging systems. However, large-area and high-NA flat lenses have been elusive due to computational and fabrication challenges. Here, we applied inverse design to create a multi-level diffractive lens (MDL) with thickness <1.35{\\mu}m, diameter of 4.13mm, NA=0.9 at wavelength of 850nm. Since the MDL is created in polymer, it can be cost-effectively replicated via imprint lithography."},"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":"2001.06523","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-01-17T20:29:26Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"f5fadcaa06dcaceb9cd41dd58f542a9346379f42daea429db474a3330a2aa049","abstract_canon_sha256":"244784ba0292581d42f8ff9f278d48afef57e8ea94854636857a171b9318d9e1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:34:21.917582Z","signature_b64":"AqL8AsQGgorcpmgw+UaUL4YFstHXudNmf0ep94tE0Fa5a2dVJUzNM/tc3SBQJATVH+1TleBDj/aLRLc1bsXnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aab9c0b511d5b1a08e28b73527d4d976155148c9ceb94932ed5899a1781d3246","last_reissued_at":"2026-07-05T00:34:21.917167Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:34:21.917167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large-area, high-NA Multi-level Diffractive Lens via inverse design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"physics.optics","authors_text":"Beradi Sensale-Rodriguez, Christian Pies, Monjurul Meem, Rajesh Menon, Sourangsu Banerji, Timo Oberbiermann","submitted_at":"2020-01-17T20:29:26Z","abstract_excerpt":"Flat lenses enable thinner, lighter, and simpler imaging systems. However, large-area and high-NA flat lenses have been elusive due to computational and fabrication challenges. Here, we applied inverse design to create a multi-level diffractive lens (MDL) with thickness <1.35{\\mu}m, diameter of 4.13mm, NA=0.9 at wavelength of 850nm. Since the MDL is created in polymer, it can be cost-effectively replicated via imprint lithography."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.06523","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.06523/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2001.06523","created_at":"2026-07-05T00:34:21.917222+00:00"},{"alias_kind":"arxiv_version","alias_value":"2001.06523v1","created_at":"2026-07-05T00:34:21.917222+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.06523","created_at":"2026-07-05T00:34:21.917222+00:00"},{"alias_kind":"pith_short_12","alias_value":"VK44BNIR2WY2","created_at":"2026-07-05T00:34:21.917222+00:00"},{"alias_kind":"pith_short_16","alias_value":"VK44BNIR2WY2BDRI","created_at":"2026-07-05T00:34:21.917222+00:00"},{"alias_kind":"pith_short_8","alias_value":"VK44BNIR","created_at":"2026-07-05T00:34:21.917222+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/VK44BNIR2WY2BDRIW42SPVGZOY","json":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY.json","graph_json":"https://pith.science/api/pith-number/VK44BNIR2WY2BDRIW42SPVGZOY/graph.json","events_json":"https://pith.science/api/pith-number/VK44BNIR2WY2BDRIW42SPVGZOY/events.json","paper":"https://pith.science/paper/VK44BNIR"},"agent_actions":{"view_html":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY","download_json":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY.json","view_paper":"https://pith.science/paper/VK44BNIR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2001.06523&json=true","fetch_graph":"https://pith.science/api/pith-number/VK44BNIR2WY2BDRIW42SPVGZOY/graph.json","fetch_events":"https://pith.science/api/pith-number/VK44BNIR2WY2BDRIW42SPVGZOY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY/action/storage_attestation","attest_author":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY/action/author_attestation","sign_citation":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY/action/citation_signature","submit_replication":"https://pith.science/pith/VK44BNIR2WY2BDRIW42SPVGZOY/action/replication_record"}},"created_at":"2026-07-05T00:34:21.917222+00:00","updated_at":"2026-07-05T00:34:21.917222+00:00"}