{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:COTO53XITJCPDZKIY4KNRCHNSB","short_pith_number":"pith:COTO53XI","schema_version":"1.0","canonical_sha256":"13a6eeeee89a44f1e548c714d888ed906c65b9c788401948e1ed340ca0f922cc","source":{"kind":"arxiv","id":"1505.03381","version":1},"attestation_state":"computed","paper":{"title":"Preventing and Reversing Vacuum-Induced Optical Losses in High-Finesse Tantalum (V) Oxide Mirror Coatings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"Alexei Bylinskii, Boris Braverman, Branislav Jelenkovi\\'c, Dorian Gangloff, Isaac Chuang, Junru Li, Kai Aichholz, Leon Karpa, Marko Cetina, Michael Gutierrez, Molu Shi, Rosanna Nichols, Tailin Wu, Vladan Vuleti\\'c","submitted_at":"2015-05-13T13:44:52Z","abstract_excerpt":"We study the vacuum-induced degradation of high-finesse optical cavities with mirror coatings composed of SiO$_2$-Ta$_{2}$O$_{5}$ dielectric stacks, and present methods to protect these coatings and to recover their initial quality factor. For separate coatings with reflectivities centered at 370 nm and 422 nm, a vacuum-induced continuous increase in optical loss occurs if the surface-layer coating is made of Ta$_{2}$O$_{5}$, while it does not occur if it is made of SiO$_2$. The incurred optical loss can be reversed by filling the vacuum chamber with oxygen at atmospheric pressure, and the rec"},"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":"1505.03381","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-05-13T13:44:52Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"0037b9867dc0534135fe9f2d7d1ba1610681a96369a20582fd04a64e7e1a2525","abstract_canon_sha256":"568061fbf1e6e481647a9b4a8dbe9435cc24feccde09508b180d437a6d28b8c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:41.791133Z","signature_b64":"x8ECompN8tXI1M0YyefMbu4hYbKjSddiufuQ3mh4FtyS/5KBWsxYbv6gG6ibblYi3vr/nLIVvJXlT4iPkdd7Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13a6eeeee89a44f1e548c714d888ed906c65b9c788401948e1ed340ca0f922cc","last_reissued_at":"2026-05-18T01:34:41.790462Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:41.790462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Preventing and Reversing Vacuum-Induced Optical Losses in High-Finesse Tantalum (V) Oxide Mirror Coatings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"Alexei Bylinskii, Boris Braverman, Branislav Jelenkovi\\'c, Dorian Gangloff, Isaac Chuang, Junru Li, Kai Aichholz, Leon Karpa, Marko Cetina, Michael Gutierrez, Molu Shi, Rosanna Nichols, Tailin Wu, Vladan Vuleti\\'c","submitted_at":"2015-05-13T13:44:52Z","abstract_excerpt":"We study the vacuum-induced degradation of high-finesse optical cavities with mirror coatings composed of SiO$_2$-Ta$_{2}$O$_{5}$ dielectric stacks, and present methods to protect these coatings and to recover their initial quality factor. For separate coatings with reflectivities centered at 370 nm and 422 nm, a vacuum-induced continuous increase in optical loss occurs if the surface-layer coating is made of Ta$_{2}$O$_{5}$, while it does not occur if it is made of SiO$_2$. The incurred optical loss can be reversed by filling the vacuum chamber with oxygen at atmospheric pressure, and the rec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03381","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":"1505.03381","created_at":"2026-05-18T01:34:41.790555+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.03381v1","created_at":"2026-05-18T01:34:41.790555+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03381","created_at":"2026-05-18T01:34:41.790555+00:00"},{"alias_kind":"pith_short_12","alias_value":"COTO53XITJCP","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"COTO53XITJCPDZKI","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"COTO53XI","created_at":"2026-05-18T12:29:17.054201+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/COTO53XITJCPDZKIY4KNRCHNSB","json":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB.json","graph_json":"https://pith.science/api/pith-number/COTO53XITJCPDZKIY4KNRCHNSB/graph.json","events_json":"https://pith.science/api/pith-number/COTO53XITJCPDZKIY4KNRCHNSB/events.json","paper":"https://pith.science/paper/COTO53XI"},"agent_actions":{"view_html":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB","download_json":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB.json","view_paper":"https://pith.science/paper/COTO53XI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.03381&json=true","fetch_graph":"https://pith.science/api/pith-number/COTO53XITJCPDZKIY4KNRCHNSB/graph.json","fetch_events":"https://pith.science/api/pith-number/COTO53XITJCPDZKIY4KNRCHNSB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB/action/storage_attestation","attest_author":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB/action/author_attestation","sign_citation":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB/action/citation_signature","submit_replication":"https://pith.science/pith/COTO53XITJCPDZKIY4KNRCHNSB/action/replication_record"}},"created_at":"2026-05-18T01:34:41.790555+00:00","updated_at":"2026-05-18T01:34:41.790555+00:00"}