{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:V27RL2K5CGPMIHUYZHLCLBLI5O","short_pith_number":"pith:V27RL2K5","schema_version":"1.0","canonical_sha256":"aebf15e95d119ec41e98c9d6258568eba7792cf9c0c817eb05e5215aaf3b33c5","source":{"kind":"arxiv","id":"1906.06509","version":1},"attestation_state":"computed","paper":{"title":"Does the structure of light influence the speckle size?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Carmelo Rosales-Guzman, Meng-Xuan Dong, Wei Gao, Xiao-Bo Hu, Zhi-Han Zhu","submitted_at":"2019-06-15T09:31:07Z","abstract_excerpt":"It is well known that when a laser is reflected from a rough surface or transmitted through a diffusive medium, a speckle pattern will be formed at a given observation plane. Speckle is commonly produced by laser beams with a homogeneous intensity, for which, well-known relations have been derived, relating the speckle size to the area of illumination. Here we investigate the speckle generated by higher-order Laguerre-Gaussian (LG) modes, characterized by a non-uniform intensity distribution of concentric rings.We show that the ring-structure of the LG modes does not play any role in the speck"},"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":"1906.06509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-06-15T09:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"b93c25c702e7568f8e1937831419da898aaa7e940b9f58cc8d820013f14f01ea","abstract_canon_sha256":"e2a72d51b4badb0613e0ff6c826042297f5b1c2ed697b6e6c1c002053dbd3712"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:13.499476Z","signature_b64":"tBRPX5nVYQMpmg2cl7mIFQQU4Cupg0m1WcGGHgejU1SEKMBfaT0CgMRW24hgx1RKtNErsGYfbvmusJbXMrezCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aebf15e95d119ec41e98c9d6258568eba7792cf9c0c817eb05e5215aaf3b33c5","last_reissued_at":"2026-05-17T23:43:13.498894Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:13.498894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Does the structure of light influence the speckle size?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Carmelo Rosales-Guzman, Meng-Xuan Dong, Wei Gao, Xiao-Bo Hu, Zhi-Han Zhu","submitted_at":"2019-06-15T09:31:07Z","abstract_excerpt":"It is well known that when a laser is reflected from a rough surface or transmitted through a diffusive medium, a speckle pattern will be formed at a given observation plane. Speckle is commonly produced by laser beams with a homogeneous intensity, for which, well-known relations have been derived, relating the speckle size to the area of illumination. Here we investigate the speckle generated by higher-order Laguerre-Gaussian (LG) modes, characterized by a non-uniform intensity distribution of concentric rings.We show that the ring-structure of the LG modes does not play any role in the speck"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06509","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":"1906.06509","created_at":"2026-05-17T23:43:13.498972+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.06509v1","created_at":"2026-05-17T23:43:13.498972+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06509","created_at":"2026-05-17T23:43:13.498972+00:00"},{"alias_kind":"pith_short_12","alias_value":"V27RL2K5CGPM","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"V27RL2K5CGPMIHUY","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"V27RL2K5","created_at":"2026-05-18T12:33:30.264802+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/V27RL2K5CGPMIHUYZHLCLBLI5O","json":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O.json","graph_json":"https://pith.science/api/pith-number/V27RL2K5CGPMIHUYZHLCLBLI5O/graph.json","events_json":"https://pith.science/api/pith-number/V27RL2K5CGPMIHUYZHLCLBLI5O/events.json","paper":"https://pith.science/paper/V27RL2K5"},"agent_actions":{"view_html":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O","download_json":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O.json","view_paper":"https://pith.science/paper/V27RL2K5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.06509&json=true","fetch_graph":"https://pith.science/api/pith-number/V27RL2K5CGPMIHUYZHLCLBLI5O/graph.json","fetch_events":"https://pith.science/api/pith-number/V27RL2K5CGPMIHUYZHLCLBLI5O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O/action/storage_attestation","attest_author":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O/action/author_attestation","sign_citation":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O/action/citation_signature","submit_replication":"https://pith.science/pith/V27RL2K5CGPMIHUYZHLCLBLI5O/action/replication_record"}},"created_at":"2026-05-17T23:43:13.498972+00:00","updated_at":"2026-05-17T23:43:13.498972+00:00"}