{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:3MMRHN2TEMRJHX6UQWJWNW3GPA","short_pith_number":"pith:3MMRHN2T","schema_version":"1.0","canonical_sha256":"db1913b753232293dfd4859366db66781453f14a589f3a7041bac0e8c19c16fd","source":{"kind":"arxiv","id":"1612.03893","version":2},"attestation_state":"computed","paper":{"title":"Phase-sensitive optical time-domain reflectometry with pulse mode EDFA: Probe pulse preparation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an","physics.optics"],"primary_cat":"physics.ins-det","authors_text":"A.A. Zhirnov, A.B. Pnev, A.K. Fedorov, A.O. Chernutsky, E.T. Nesterov, E.V. Kondrashin, K.V. Stepanov, V.E. Karasik, Ya.A. Tezadov","submitted_at":"2016-12-07T20:17:02Z","abstract_excerpt":"Probe pulse preparation techniques play an important role for fiber-optic sensing. In this work, we investigate a setup for distributed sensors based on phase-sensitive optical time domain reflectometry ($\\Phi$-OTDR) with the use of an erbium doped fibre amplifier (EDFA). In our $\\Phi$-OTDR setup with pulse mode EDFA, we reveal a regime providing us both sufficiently large amplification of the probe pulse power together and adequately small probe pulse distortion. We then show that the use of pulse mode EDFA is a cost-effective solution, which allows one to avoid nonlinear effect and ensure su"},"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":"1612.03893","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-12-07T20:17:02Z","cross_cats_sorted":["physics.data-an","physics.optics"],"title_canon_sha256":"33ba3781cad636207081e3f2086b37c4796a19982b63b5b91261508fe94c11a4","abstract_canon_sha256":"330aa0f897ec61e65e275d2b5e3657aa9f8534a848f46ee4b7ab21f6a03739d9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:46.604936Z","signature_b64":"K9BhzYIg1bPYJPqFe8xroYRdiGfUqdfoYPKzjUOKLV4Gbx0c69XoihFOWBs28rVybnf8o1c+u8hGujyD/uZ3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db1913b753232293dfd4859366db66781453f14a589f3a7041bac0e8c19c16fd","last_reissued_at":"2026-05-18T00:21:46.604371Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:46.604371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase-sensitive optical time-domain reflectometry with pulse mode EDFA: Probe pulse preparation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an","physics.optics"],"primary_cat":"physics.ins-det","authors_text":"A.A. Zhirnov, A.B. Pnev, A.K. Fedorov, A.O. Chernutsky, E.T. Nesterov, E.V. Kondrashin, K.V. Stepanov, V.E. Karasik, Ya.A. Tezadov","submitted_at":"2016-12-07T20:17:02Z","abstract_excerpt":"Probe pulse preparation techniques play an important role for fiber-optic sensing. In this work, we investigate a setup for distributed sensors based on phase-sensitive optical time domain reflectometry ($\\Phi$-OTDR) with the use of an erbium doped fibre amplifier (EDFA). In our $\\Phi$-OTDR setup with pulse mode EDFA, we reveal a regime providing us both sufficiently large amplification of the probe pulse power together and adequately small probe pulse distortion. We then show that the use of pulse mode EDFA is a cost-effective solution, which allows one to avoid nonlinear effect and ensure su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03893","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":"1612.03893","created_at":"2026-05-18T00:21:46.604464+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.03893v2","created_at":"2026-05-18T00:21:46.604464+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.03893","created_at":"2026-05-18T00:21:46.604464+00:00"},{"alias_kind":"pith_short_12","alias_value":"3MMRHN2TEMRJ","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_16","alias_value":"3MMRHN2TEMRJHX6U","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_8","alias_value":"3MMRHN2T","created_at":"2026-05-18T12:29:55.572404+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/3MMRHN2TEMRJHX6UQWJWNW3GPA","json":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA.json","graph_json":"https://pith.science/api/pith-number/3MMRHN2TEMRJHX6UQWJWNW3GPA/graph.json","events_json":"https://pith.science/api/pith-number/3MMRHN2TEMRJHX6UQWJWNW3GPA/events.json","paper":"https://pith.science/paper/3MMRHN2T"},"agent_actions":{"view_html":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA","download_json":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA.json","view_paper":"https://pith.science/paper/3MMRHN2T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.03893&json=true","fetch_graph":"https://pith.science/api/pith-number/3MMRHN2TEMRJHX6UQWJWNW3GPA/graph.json","fetch_events":"https://pith.science/api/pith-number/3MMRHN2TEMRJHX6UQWJWNW3GPA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA/action/storage_attestation","attest_author":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA/action/author_attestation","sign_citation":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA/action/citation_signature","submit_replication":"https://pith.science/pith/3MMRHN2TEMRJHX6UQWJWNW3GPA/action/replication_record"}},"created_at":"2026-05-18T00:21:46.604464+00:00","updated_at":"2026-05-18T00:21:46.604464+00:00"}