{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:GQ75INJYA4YV4MIFNUTZCIKAFN","short_pith_number":"pith:GQ75INJY","schema_version":"1.0","canonical_sha256":"343fd4353807315e31056d279121402b75105e29267c6bce968f96b13f067aa5","source":{"kind":"arxiv","id":"1309.4779","version":2},"attestation_state":"computed","paper":{"title":"Precise Measurement of Laser Power using an Optomechanical System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Daniel Friedrich, Erina Nishida, Giulia DeSalvo, Kazuhiro Agatsuma, Seiji Kawamura, Shihori Sakata, Stefan Ballmer","submitted_at":"2013-09-18T20:00:03Z","abstract_excerpt":"This paper shows a novel method to precisely measure the laser power using an optomechanical system. By measuring a mirror displacement caused by the reflection of an amplitude modulated laser beam, the number of photons in the incident continuous-wave laser can be precisely measured. We have demonstrated this principle by means of a prototype experiment uses a suspended 25 mg mirror as an mechanical oscillator coupled with the radiation pressure and a Michelson interferometer as the displacement sensor. A measurement of the laser power with an uncertainty of less than one percent (1 sigma) is"},"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":"1309.4779","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-18T20:00:03Z","cross_cats_sorted":["gr-qc","physics.optics"],"title_canon_sha256":"ce29681848f89c3926a64c66e07c6b56da902c13eb568bf07a72dc5d8442245b","abstract_canon_sha256":"ef2a4146269198204968cb0b848f28f23ebefa19d3959af28fb1c3eefa772339"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:10.208674Z","signature_b64":"Staa2rJZyATrTcMl7PACIbMXdhSZp6snsH9POEzlf3AESKwWBfkaW3UpFlxZjQW500ACKrTnYLnP0cx9iRzECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"343fd4353807315e31056d279121402b75105e29267c6bce968f96b13f067aa5","last_reissued_at":"2026-05-18T03:01:10.207871Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:10.207871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Precise Measurement of Laser Power using an Optomechanical System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Daniel Friedrich, Erina Nishida, Giulia DeSalvo, Kazuhiro Agatsuma, Seiji Kawamura, Shihori Sakata, Stefan Ballmer","submitted_at":"2013-09-18T20:00:03Z","abstract_excerpt":"This paper shows a novel method to precisely measure the laser power using an optomechanical system. By measuring a mirror displacement caused by the reflection of an amplitude modulated laser beam, the number of photons in the incident continuous-wave laser can be precisely measured. We have demonstrated this principle by means of a prototype experiment uses a suspended 25 mg mirror as an mechanical oscillator coupled with the radiation pressure and a Michelson interferometer as the displacement sensor. A measurement of the laser power with an uncertainty of less than one percent (1 sigma) is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4779","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":"1309.4779","created_at":"2026-05-18T03:01:10.207987+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.4779v2","created_at":"2026-05-18T03:01:10.207987+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4779","created_at":"2026-05-18T03:01:10.207987+00:00"},{"alias_kind":"pith_short_12","alias_value":"GQ75INJYA4YV","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"GQ75INJYA4YV4MIF","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"GQ75INJY","created_at":"2026-05-18T12:27:45.050594+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/GQ75INJYA4YV4MIFNUTZCIKAFN","json":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN.json","graph_json":"https://pith.science/api/pith-number/GQ75INJYA4YV4MIFNUTZCIKAFN/graph.json","events_json":"https://pith.science/api/pith-number/GQ75INJYA4YV4MIFNUTZCIKAFN/events.json","paper":"https://pith.science/paper/GQ75INJY"},"agent_actions":{"view_html":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN","download_json":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN.json","view_paper":"https://pith.science/paper/GQ75INJY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.4779&json=true","fetch_graph":"https://pith.science/api/pith-number/GQ75INJYA4YV4MIFNUTZCIKAFN/graph.json","fetch_events":"https://pith.science/api/pith-number/GQ75INJYA4YV4MIFNUTZCIKAFN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN/action/storage_attestation","attest_author":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN/action/author_attestation","sign_citation":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN/action/citation_signature","submit_replication":"https://pith.science/pith/GQ75INJYA4YV4MIFNUTZCIKAFN/action/replication_record"}},"created_at":"2026-05-18T03:01:10.207987+00:00","updated_at":"2026-05-18T03:01:10.207987+00:00"}