{"id":"W2060556168","doi":"10.1007/s00340-009-3390-6","title":"A narrow linewidth and frequency-stable probe laser source for  the 88Sr+ single ion optical frequency standard","year":2009,"lang":"en","type":"article","venue":"Applied Physics B","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":61,"is_retracted":false,"has_abstract":false,"ca_institutions":"Steacie Institute for Molecular Sciences; National Research Council Canada","funders":"","keywords":"Laser linewidth; Laser; Atomic clock; Frequency drift; Physics; Atomic physics; Optics; Resonance (particle physics); Quantum optics; Materials science; Phase noise","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007056849,0.0002809715,0.0004666845,0.000896771,0.001509728,0.0006039911,0.001451423,0.0008692983,0.004206804],"category_scores_gemma":[0.0009852101,0.0003899305,0.0002437775,0.0007210692,0.0007729082,0.0008569852,0.001034243,0.0007361872,0.001268123],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001158498,"about_ca_system_score_gemma":0.001488286,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006059423,"about_ca_topic_score_gemma":0.00187286,"domain_scores_codex":[0.9993365,0.00007672326,0.0000231664,0.0001839685,0.0003118785,0.00006770159],"domain_scores_gemma":[0.999234,0.0001678254,0.0001599763,0.0001190999,0.0001897815,0.0001293649],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0007715619,0.0001075383,0.002333598,0.0001366936,0.00001550423,0.0001307279,0.000173468,0.0004221179,0.9525498,0.009298434,0.002069401,0.03199097],"study_design_scores_gemma":[0.0003742201,0.001142776,0.004900504,0.00004356728,0.00005704523,0.001067664,0.00009823209,0.01409511,0.9398831,0.001757342,0.03648577,0.00009471181],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8299311,0.00125915,0.1409105,0.001886332,0.0003404095,0.0005301854,0.001222067,0.002547515,0.0213726],"genre_scores_gemma":[0.8951214,0.0003594848,0.0941197,0.0003331896,0.0001281742,0.000213632,0.0004526312,0.0002111354,0.009060679],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004206804,"threshold_uncertainty_score":0.01407319,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01038790037224407,"score_gpt":0.236947000490954,"score_spread":0.2265591001187099,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}