{"paper":{"title":"The polarization and the fundamental sensitivity of $^{39}$K ($^{133}$Cs)-$^{85}$Rb-$^{4}$He hybrid optical pumping spin exchange relaxation free atomic magnetometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Dong-Yang Jing, Jian-Cheng Fang, Jian-hua Liu, Liang-Liang Wang, Wei Quan, Wu-Ming Liu, Yang Li","submitted_at":"2017-02-23T16:03:34Z","abstract_excerpt":"The hybrid optical pumping spin exchange relaxation free (SERF) atomic magnetometers can realize ultrahigh sensitivity measurement of magnetic field and inertia. We have studied the $^{\\text{85}}$Rb polarization of two types of hybrid optical pumping SERF magnetometers based on $^{\\text{39}}$K-$^{\\text{85}}$Rb-$^{\\text{4}}$He and $^{\\text{133}}$Cs-$^{\\text{85}}$Rb-$^{\\text{4}}$He respectively. Then we found that $^{\\text{85}}$Rb polarization varies with the number density of buffer gas $^{\\text{4}}$He and quench gas N$_{\\text{2}}$, pumping rate of pump beam and cell temperature respectively, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.07755","kind":"arxiv","version":11},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}