{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:AII4IFW4NB65VC55KVBMBCFHHV","short_pith_number":"pith:AII4IFW4","schema_version":"1.0","canonical_sha256":"0211c416dc687dda8bbd5542c088a73d6bd17da2078b687b6a49d3e5ddf734c0","source":{"kind":"arxiv","id":"2204.12809","version":1},"attestation_state":"computed","paper":{"title":"High-performance broadband Faraday rotation spectroscopy of 2D materials and thin magnetic films","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ashish Arora, Benjamin Carey, Christoph Klusmann, Manfred Albrecht, Mario Fix, Nils Kolja Wessling, Paul Steeger, Robert Schmidt, Robert Schneider, Rudolf Bratschitsch, Steffen Michaelis de Vasconcellos","submitted_at":"2022-04-27T09:59:34Z","abstract_excerpt":"We present a Faraday rotation spectroscopy (FRS) technique for measurements on the micron scale. Spectral acquisition speeds of many orders of magnitude faster than state-of-the-art modulation spectroscopy setups are demonstrated. The experimental method is based on charge-coupled-device detection, avoiding speed-limiting components, such as polarization modulators with lock-in amplifiers. At the same time, FRS spectra are obtained with a sensitivity of 20 $\\mu$rad (0.001$^\\circ$) over a broad spectral range (525 nm - 800 nm), which is on par with state-of-the-art polarization-modulation techn"},"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":"2204.12809","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-04-27T09:59:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"f67aa7107b5c7464ae19ff1bb53f5a166c646caf2b8ff304450f9fa530ebe72a","abstract_canon_sha256":"4efe1dba390611c251b1d81961e4d84076fa0c5b584050636eee434c6901f703"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:09:58.064862Z","signature_b64":"0ACfdIQSz0qMoCJGsN5bsrMfon+o7J0vnUcICQhmCLUkBRKrdNmLDaNJ0UFGudlqmqDpefyDjJOlJZEys9DMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0211c416dc687dda8bbd5542c088a73d6bd17da2078b687b6a49d3e5ddf734c0","last_reissued_at":"2026-07-05T05:09:58.064460Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:09:58.064460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-performance broadband Faraday rotation spectroscopy of 2D materials and thin magnetic films","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ashish Arora, Benjamin Carey, Christoph Klusmann, Manfred Albrecht, Mario Fix, Nils Kolja Wessling, Paul Steeger, Robert Schmidt, Robert Schneider, Rudolf Bratschitsch, Steffen Michaelis de Vasconcellos","submitted_at":"2022-04-27T09:59:34Z","abstract_excerpt":"We present a Faraday rotation spectroscopy (FRS) technique for measurements on the micron scale. Spectral acquisition speeds of many orders of magnitude faster than state-of-the-art modulation spectroscopy setups are demonstrated. The experimental method is based on charge-coupled-device detection, avoiding speed-limiting components, such as polarization modulators with lock-in amplifiers. At the same time, FRS spectra are obtained with a sensitivity of 20 $\\mu$rad (0.001$^\\circ$) over a broad spectral range (525 nm - 800 nm), which is on par with state-of-the-art polarization-modulation techn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.12809","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2204.12809/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2204.12809","created_at":"2026-07-05T05:09:58.064517+00:00"},{"alias_kind":"arxiv_version","alias_value":"2204.12809v1","created_at":"2026-07-05T05:09:58.064517+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.12809","created_at":"2026-07-05T05:09:58.064517+00:00"},{"alias_kind":"pith_short_12","alias_value":"AII4IFW4NB65","created_at":"2026-07-05T05:09:58.064517+00:00"},{"alias_kind":"pith_short_16","alias_value":"AII4IFW4NB65VC55","created_at":"2026-07-05T05:09:58.064517+00:00"},{"alias_kind":"pith_short_8","alias_value":"AII4IFW4","created_at":"2026-07-05T05:09:58.064517+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/AII4IFW4NB65VC55KVBMBCFHHV","json":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV.json","graph_json":"https://pith.science/api/pith-number/AII4IFW4NB65VC55KVBMBCFHHV/graph.json","events_json":"https://pith.science/api/pith-number/AII4IFW4NB65VC55KVBMBCFHHV/events.json","paper":"https://pith.science/paper/AII4IFW4"},"agent_actions":{"view_html":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV","download_json":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV.json","view_paper":"https://pith.science/paper/AII4IFW4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2204.12809&json=true","fetch_graph":"https://pith.science/api/pith-number/AII4IFW4NB65VC55KVBMBCFHHV/graph.json","fetch_events":"https://pith.science/api/pith-number/AII4IFW4NB65VC55KVBMBCFHHV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV/action/storage_attestation","attest_author":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV/action/author_attestation","sign_citation":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV/action/citation_signature","submit_replication":"https://pith.science/pith/AII4IFW4NB65VC55KVBMBCFHHV/action/replication_record"}},"created_at":"2026-07-05T05:09:58.064517+00:00","updated_at":"2026-07-05T05:09:58.064517+00:00"}