{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:N6RUJQE45LVVZNXWDVZ4ZDMKA5","short_pith_number":"pith:N6RUJQE4","schema_version":"1.0","canonical_sha256":"6fa344c09ceaeb5cb6f61d73cc8d8a0742f58c5806797cac20fbaefde4cd5940","source":{"kind":"arxiv","id":"1107.4167","version":1},"attestation_state":"computed","paper":{"title":"Reducing Thermal Noise in Future Gravitational Wave Detectors by employing Khalili Etalons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Alexey G. Gurkovsky, Daniel Heiner, Holger Wittel, Kentaro Somiya, Ronny Nawrodt, Sergey P. Vyatchanin, Stefan Hild","submitted_at":"2011-07-21T05:15:01Z","abstract_excerpt":"Reduction of thermal noise in dielectric mirror coatings is a key issue for the sensitivity improvement in second and third generation interferometric gravitational wave detectors. Replacing an end mirror of the interferometer by an anti-resonant cavity (a so-called Khalili cavity) has been proposed to realize the reduction of the overall thermal noise level. In this article we show that the use of a Khalili etalon, which requires less hardware than a Khalili cavity, yields still a significant reduction of thermal noise. We identify the optimum distribution of coating layers on the front and r"},"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":"1107.4167","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-07-21T05:15:01Z","cross_cats_sorted":[],"title_canon_sha256":"b886a70b778b00e82232c7c2631078f9dc3f97c5c4ed6bb0fe2cedfef5ca69e2","abstract_canon_sha256":"b510de1fe184d84ba37c90ba0d2c363eafae523c8227c88d8b42b348b8e8aa30"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:13.862131Z","signature_b64":"sx8As+pm8Nt335EHWVuzD7Y6DR+ORk/cKhvQq8uzK3fsSgl9lSz3K1DxIi4Hc0iuznU/GBi6puuU7t8BZUKwBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fa344c09ceaeb5cb6f61d73cc8d8a0742f58c5806797cac20fbaefde4cd5940","last_reissued_at":"2026-05-18T02:01:13.861579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:13.861579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reducing Thermal Noise in Future Gravitational Wave Detectors by employing Khalili Etalons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Alexey G. Gurkovsky, Daniel Heiner, Holger Wittel, Kentaro Somiya, Ronny Nawrodt, Sergey P. Vyatchanin, Stefan Hild","submitted_at":"2011-07-21T05:15:01Z","abstract_excerpt":"Reduction of thermal noise in dielectric mirror coatings is a key issue for the sensitivity improvement in second and third generation interferometric gravitational wave detectors. Replacing an end mirror of the interferometer by an anti-resonant cavity (a so-called Khalili cavity) has been proposed to realize the reduction of the overall thermal noise level. In this article we show that the use of a Khalili etalon, which requires less hardware than a Khalili cavity, yields still a significant reduction of thermal noise. We identify the optimum distribution of coating layers on the front and r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.4167","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":"1107.4167","created_at":"2026-05-18T02:01:13.861666+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.4167v1","created_at":"2026-05-18T02:01:13.861666+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.4167","created_at":"2026-05-18T02:01:13.861666+00:00"},{"alias_kind":"pith_short_12","alias_value":"N6RUJQE45LVV","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"N6RUJQE45LVVZNXW","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"N6RUJQE4","created_at":"2026-05-18T12:26:37.096874+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/N6RUJQE45LVVZNXWDVZ4ZDMKA5","json":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5.json","graph_json":"https://pith.science/api/pith-number/N6RUJQE45LVVZNXWDVZ4ZDMKA5/graph.json","events_json":"https://pith.science/api/pith-number/N6RUJQE45LVVZNXWDVZ4ZDMKA5/events.json","paper":"https://pith.science/paper/N6RUJQE4"},"agent_actions":{"view_html":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5","download_json":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5.json","view_paper":"https://pith.science/paper/N6RUJQE4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.4167&json=true","fetch_graph":"https://pith.science/api/pith-number/N6RUJQE45LVVZNXWDVZ4ZDMKA5/graph.json","fetch_events":"https://pith.science/api/pith-number/N6RUJQE45LVVZNXWDVZ4ZDMKA5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5/action/storage_attestation","attest_author":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5/action/author_attestation","sign_citation":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5/action/citation_signature","submit_replication":"https://pith.science/pith/N6RUJQE45LVVZNXWDVZ4ZDMKA5/action/replication_record"}},"created_at":"2026-05-18T02:01:13.861666+00:00","updated_at":"2026-05-18T02:01:13.861666+00:00"}