{"id":"W2060604958","doi":"10.1088/1464-4258/10/3/035004","title":"High group birefringence in photonic crystal fibers with both positive and negative phase birefringences","year":2008,"lang":"en","type":"article","venue":"Journal of Optics A Pure and Applied Optics","topic":"Optical Network Technologies","field":"Engineering","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Research Council Canada","keywords":"Birefringence; Optics; Materials science; Photonic-crystal fiber; Phase (matter); Photonic crystal; Optoelectronics; Optical fiber; Physics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001391011,0.0002405578,0.0004074833,0.0001924511,0.00008427208,0.00005510886,0.0001549891,0.0001389915,0.000002385904],"category_scores_gemma":[0.00001921549,0.000190815,0.00003032854,0.0003306775,0.0003485289,0.0001832691,0.0000612135,0.0005320697,5.033741e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005187594,"about_ca_system_score_gemma":0.00002781314,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000002504686,"about_ca_topic_score_gemma":0.00001152114,"domain_scores_codex":[0.9988736,0.000008586625,0.0003937659,0.0001668917,0.0002411955,0.0003159965],"domain_scores_gemma":[0.9994149,0.0001547942,0.000134619,0.0001145141,0.00005421623,0.0001269786],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.003908392,0.002619924,0.005875056,0.001177159,0.002941445,0.007274729,0.01798508,0.4875919,0.1583369,0.235707,0.0005219745,0.07606035],"study_design_scores_gemma":[0.05553031,0.02618419,0.03409337,0.004331819,0.001652771,0.01299571,0.02714913,0.5593321,0.2221848,0.04594144,0.001390925,0.009213437],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9964202,0.0008293814,0.001650785,0.00007202866,0.00006254348,0.0001686372,0.000007911971,0.00005496019,0.0007335493],"genre_scores_gemma":[0.8909158,0.003917947,0.1050501,0.00001928082,0.00005823376,0.000005316107,8.323983e-7,0.00002814657,0.000004386922],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1897656,"threshold_uncertainty_score":0.7781211,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007699556388631392,"score_gpt":0.2039489175102284,"score_spread":0.196249361121597,"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."}}