{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:DOWSVPDG37AJOKALX4Z7N7MVY7","short_pith_number":"pith:DOWSVPDG","schema_version":"1.0","canonical_sha256":"1bad2abc66dfc097280bbf33f6fd95c7f2aad6ccfde58b61d571318ca1d86f56","source":{"kind":"arxiv","id":"1212.6266","version":1},"attestation_state":"computed","paper":{"title":"Injection-locking of violet laser diodes with a 3.2GHz offset frequency for driving Raman transitions in 43Ca+","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"B. C. Keitch, D. M. Lucas, N. R. Thomas","submitted_at":"2012-12-26T21:06:03Z","abstract_excerpt":"Two cw single-mode violet (397nm) diode lasers are locked to a single external-cavity master diode laser by optical injection locking. A double-pass 1.6GHz acousto-optic modulator is used to provide a 3.2GHz offset frequency between the two slave lasers. We achieve up to 20mW usable output in each slave beam, with as little as 25 \\mu W of injection power at room temperature. An optical heterodyne measurement of the beat note between the two slave beams gives a linewidth of <=10Hz at 3.2GHz. We also estimate the free-running linewidth of the master laser to be approximately 3MHz, by optical het"},"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":"1212.6266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-12-26T21:06:03Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"ead99d1fb41a1e3743846637429a6be654873c7531d71bf8f8325ffad407ce95","abstract_canon_sha256":"5e128806e6c19dc82a7927343cadcb8e90ac41eeae3d13793a7f5d619d220093"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:58:13.206417Z","signature_b64":"9VMyb5211R9fP03IcIFFim5rb0e+m78XVv4NIVbaO4prPZ5gkE0wnHVWpqi6lgeOhAAvdAhaUHwsOK8sN8LpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bad2abc66dfc097280bbf33f6fd95c7f2aad6ccfde58b61d571318ca1d86f56","last_reissued_at":"2026-05-18T02:58:13.205623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:58:13.205623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Injection-locking of violet laser diodes with a 3.2GHz offset frequency for driving Raman transitions in 43Ca+","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"B. C. Keitch, D. M. Lucas, N. R. Thomas","submitted_at":"2012-12-26T21:06:03Z","abstract_excerpt":"Two cw single-mode violet (397nm) diode lasers are locked to a single external-cavity master diode laser by optical injection locking. A double-pass 1.6GHz acousto-optic modulator is used to provide a 3.2GHz offset frequency between the two slave lasers. We achieve up to 20mW usable output in each slave beam, with as little as 25 \\mu W of injection power at room temperature. An optical heterodyne measurement of the beat note between the two slave beams gives a linewidth of <=10Hz at 3.2GHz. We also estimate the free-running linewidth of the master laser to be approximately 3MHz, by optical het"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6266","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":"1212.6266","created_at":"2026-05-18T02:58:13.205739+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.6266v1","created_at":"2026-05-18T02:58:13.205739+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6266","created_at":"2026-05-18T02:58:13.205739+00:00"},{"alias_kind":"pith_short_12","alias_value":"DOWSVPDG37AJ","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_16","alias_value":"DOWSVPDG37AJOKAL","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_8","alias_value":"DOWSVPDG","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/DOWSVPDG37AJOKALX4Z7N7MVY7","json":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7.json","graph_json":"https://pith.science/api/pith-number/DOWSVPDG37AJOKALX4Z7N7MVY7/graph.json","events_json":"https://pith.science/api/pith-number/DOWSVPDG37AJOKALX4Z7N7MVY7/events.json","paper":"https://pith.science/paper/DOWSVPDG"},"agent_actions":{"view_html":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7","download_json":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7.json","view_paper":"https://pith.science/paper/DOWSVPDG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.6266&json=true","fetch_graph":"https://pith.science/api/pith-number/DOWSVPDG37AJOKALX4Z7N7MVY7/graph.json","fetch_events":"https://pith.science/api/pith-number/DOWSVPDG37AJOKALX4Z7N7MVY7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7/action/storage_attestation","attest_author":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7/action/author_attestation","sign_citation":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7/action/citation_signature","submit_replication":"https://pith.science/pith/DOWSVPDG37AJOKALX4Z7N7MVY7/action/replication_record"}},"created_at":"2026-05-18T02:58:13.205739+00:00","updated_at":"2026-05-18T02:58:13.205739+00:00"}