{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HYRZS3RUHEAT736SLDV3ZBT4OQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ed7f97dbf784bf0ce425a09d8a2f1a338e72f1f526f7d87557005a6f7afe6484","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-17T10:51:15Z","title_canon_sha256":"5f980e4f583d11dfa7e4da3b980d52873f394a7ebaab7b5e847f8f9850148148"},"schema_version":"1.0","source":{"id":"1502.04857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04857","created_at":"2026-05-18T02:26:53Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04857v1","created_at":"2026-05-18T02:26:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04857","created_at":"2026-05-18T02:26:53Z"},{"alias_kind":"pith_short_12","alias_value":"HYRZS3RUHEAT","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HYRZS3RUHEAT736S","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HYRZS3RU","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:684bb5d005d69b74cf71b6f4b72576d3e6f14b04ed9cd6d68325914edf745976","target":"graph","created_at":"2026-05-18T02:26:53Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We experimentally demonstrate a broadband and an ultra-broadband spectral bandwidth polarization rotators. Both polarization rotators have modular design, that is, they are comprised of an array of half-wave plates rotated to a given angle. We show that the broadband and ultra-broadband performance of the polarization rotators is due to the adiabatic nature of the light polarization evolution. In this paper we experimentally investigate the performance of broadband and ultra-broadband polarization rotators comprising of ten multi-order half-wave plates or ten commercial achromatic half-wave pl","authors_text":"Andon Rangelov, Elica Kyoseva, Emiliya Dimova","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-17T10:51:15Z","title":"Broadband and ultra-broadband polarization rotators with adiabatic modular design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04857","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b427654a290e35b75154bcb189b30d5f00d08c9ea179d5a40da233d2ba696976","target":"record","created_at":"2026-05-18T02:26:53Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ed7f97dbf784bf0ce425a09d8a2f1a338e72f1f526f7d87557005a6f7afe6484","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-17T10:51:15Z","title_canon_sha256":"5f980e4f583d11dfa7e4da3b980d52873f394a7ebaab7b5e847f8f9850148148"},"schema_version":"1.0","source":{"id":"1502.04857","kind":"arxiv","version":1}},"canonical_sha256":"3e23996e3439013fefd258ebbc867c743f24af17c2167f618c3bddea22657a40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e23996e3439013fefd258ebbc867c743f24af17c2167f618c3bddea22657a40","first_computed_at":"2026-05-18T02:26:53.684222Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:53.684222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qQeUI5Op8c0expvHCBBTVFesswR03vdDk2SgXCXXLW6ZoIReeBJ3Exa5cPOW/fPkeAjUz3GGo0cKW7vi3QoPAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:53.684785Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b427654a290e35b75154bcb189b30d5f00d08c9ea179d5a40da233d2ba696976","sha256:684bb5d005d69b74cf71b6f4b72576d3e6f14b04ed9cd6d68325914edf745976"],"state_sha256":"24e58357b04612ccc5024955c29e909b9acc97eb05d0dbca23bd6a8ee1affd16"}