{"id":"W2076129311","doi":"10.1117/12.885954","title":"Hydrogen detection in high pressure gas mixtures using a twin hole fibre Bragg grating","year":2011,"lang":"en","type":"article","venue":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","topic":"Advanced Fiber Optic Sensors","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Communications Research Centre Canada","funders":"","keywords":"Fiber Bragg grating; Materials science; Femtosecond; Optics; Hydrogen; Grating; Refractive index; Optical fiber; Laser; PHOSFOS; Core (optical fiber); Optoelectronics; Fiber optic sensor; Graded-index fiber; Chemistry","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":[0.000269372,0.0003405589,0.0004596168,0.0003528807,0.0002022763,0.0002982893,0.0007720245,0.0008095102,0.000315876],"category_scores_gemma":[0.0003206863,0.0003459004,0.0002271516,0.0002969812,0.0004385122,0.0004610537,0.0002919072,0.0002978752,0.0001999303],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000388753,"about_ca_system_score_gemma":0.0002392341,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001216984,"about_ca_topic_score_gemma":0.002272994,"domain_scores_codex":[0.9995491,0.00003532585,0.00001566765,0.0001063722,0.0002643263,0.00002928912],"domain_scores_gemma":[0.9997273,0.00005929641,0.0000722185,0.00002965707,0.00008269223,0.00002875635],"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":[0.00006211684,0.00001691102,0.0004903027,0.00004211414,0.000008103114,0.00003178639,0.0000140414,0.0001987286,0.9931937,0.00005762862,0.00005104191,0.005833566],"study_design_scores_gemma":[0.000009694079,0.000275509,0.002833654,0.000003204867,0.00001413544,0.0003474235,0.00001220144,0.005937897,0.9896426,0.00002663739,0.000883499,0.00001354655],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9212992,0.002219736,0.07328762,0.000169368,0.0001752548,0.00008514702,0.0002373481,0.001071356,0.001455008],"genre_scores_gemma":[0.8823743,0.0009355031,0.1145759,0.00008727181,0.00004221348,0.00004099407,0.0001656682,0.00002711476,0.001751078],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001216984,"threshold_uncertainty_score":0.002820611,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01279142319603868,"score_gpt":0.2158093099115494,"score_spread":0.2030178867155107,"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."}}