{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VNNAH7LERCJRLBHXFEVFKLI55S","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":"30124703f1526ab2cba4ca4cfacd8f290461a5c39a536ef8642f62f72c5aab7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-01-12T19:39:05Z","title_canon_sha256":"9f6bb514b88d5390838f0c1d296a0adfb327d075f3291070518ebff5d7ade888"},"schema_version":"1.0","source":{"id":"1201.2652","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.2652","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"1201.2652v1","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2652","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"VNNAH7LERCJR","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VNNAH7LERCJRLBHX","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VNNAH7LE","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:e03908d9bc629e63ee0c3151a8e22a3b827b8dc3646170e8d8e2483ffb63d27f","target":"graph","created_at":"2026-05-18T04:04:43Z","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 describe an efficient laser emission from a directly grown Er3+:YAG single-crystal fiber that is resonantly pumped using a continuous-wave (CW) laser diode at 1532 nm. In a longitudinal pumping, it emits 12.5 W at 1645 nm with a slope efficiency of 32%, which is the highest ever reported for a directly grown Er:YAG single-crystal fiber laser. Using an off-axis pumping scheme, CW output powers up to 7.3 W can be reached and in Q-switched operation, the laser produces 2 mJ pulses with a duration of 38 ns at the repetition rate of 1 kHz with an M^{2} factor below 1.8. To our knowledge this is ","authors_text":"Fran\\c{c}ois Balembois (LCFIO), Igor Martial (LCFIO), Julien Didierjean, Patrick Georges (LCFIO)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-01-12T19:39:05Z","title":"High-power diode-pumped Q-switched Er3+:YAG single-crystal fiber laser for active imaging system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2652","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:cd46881a1e2047309419565b7aa4782ce86f0ee42e5e5145fbde6cca3d46718b","target":"record","created_at":"2026-05-18T04:04:43Z","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":"30124703f1526ab2cba4ca4cfacd8f290461a5c39a536ef8642f62f72c5aab7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-01-12T19:39:05Z","title_canon_sha256":"9f6bb514b88d5390838f0c1d296a0adfb327d075f3291070518ebff5d7ade888"},"schema_version":"1.0","source":{"id":"1201.2652","kind":"arxiv","version":1}},"canonical_sha256":"ab5a03fd6488931584f7292a552d1decaf93ff97a753bb28bec7aab75f9913bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab5a03fd6488931584f7292a552d1decaf93ff97a753bb28bec7aab75f9913bd","first_computed_at":"2026-05-18T04:04:43.943651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:43.943651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AZy+zR0xIksN59S5MUKpQXNuPHRlQ3ikYKY6ZbswlcCEUUgJyH0k8M/wEufyYBxUgyA6+5xDua+pl6kosCQjDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:43.944188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.2652","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd46881a1e2047309419565b7aa4782ce86f0ee42e5e5145fbde6cca3d46718b","sha256:e03908d9bc629e63ee0c3151a8e22a3b827b8dc3646170e8d8e2483ffb63d27f"],"state_sha256":"7983d3fac53e8b9383a6c1a6c0d478379faee9b8ca4f0ff53e302c3f9e749d01"}