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Rb vapour Zeeman optical spectroscopy in a self-calibrated magnetic field.

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Title: Rb vapour Zeeman optical spectroscopy in a self-calibrated magnetic field.
Authors: Scotto, Stefano1,2 (AUTHOR) scotto@laseroptronic.it, Ciampini, Donatella2,3 (AUTHOR) donatella.ciampini@unipi.it, Battesti, Rémy1 (AUTHOR) remy.battesti@lncmi.cnrs.fr, Rizzo, Carlo1 (AUTHOR) carlo.rizzo@lncmi.cnrs.fr, Arimondo, Ennio1,2,3 (AUTHOR) ennio.arimondo@unipi.it
Source: European Physical Journal D (EPJ D). Jan2026, Vol. 80 Issue 1, p1-12. 12p.
Subjects: Zeeman effect, Rubidium, Optical spectroscopy, Physical constants, High resolution spectroscopy, Magnetic field measurements, Rubidium compounds
Abstract: High-resolution optical spectroscopy of Rb atoms in an intermediate-Zeeman magnetic field regime is performed. Magnetic fields between 0.05 T and 0.13 T are measured. We introduce a measurement approach based on three-level Λ systems where the open-loop frequency energy separation is determined by the applied magnetic field. Using this method an accuracy better than 100 ppm is reached in a measurement series. In parallel, on the basis of complementary measurements based on three-level V systems we obtain the first experimental value of the Landé g-factor of the first excited state for 85 Rb, 85 g J (5 P 1 / 2) =0.66709(7), and for 87 Rb, 87 g J (5 P 1 / 2) =0.6663(2). Our approach is unprecedented in the literature for Rb. Experimental results for the Land´e g-factor of the first excited state of Rb [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal D (EPJ D) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 191808848
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Rb vapour Zeeman optical spectroscopy in a self-calibrated magnetic field.
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  Data: <searchLink fieldCode="AR" term="%22Scotto%2C+Stefano%22">Scotto, Stefano</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> scotto@laseroptronic.it</i><br /><searchLink fieldCode="AR" term="%22Ciampini%2C+Donatella%22">Ciampini, Donatella</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> donatella.ciampini@unipi.it</i><br /><searchLink fieldCode="AR" term="%22Battesti%2C+Rémy%22">Battesti, Rémy</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> remy.battesti@lncmi.cnrs.fr</i><br /><searchLink fieldCode="AR" term="%22Rizzo%2C+Carlo%22">Rizzo, Carlo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> carlo.rizzo@lncmi.cnrs.fr</i><br /><searchLink fieldCode="AR" term="%22Arimondo%2C+Ennio%22">Arimondo, Ennio</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> ennio.arimondo@unipi.it</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+D+%28EPJ+D%29%22">European Physical Journal D (EPJ D)</searchLink>. Jan2026, Vol. 80 Issue 1, p1-12. 12p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Zeeman+effect%22">Zeeman effect</searchLink><br /><searchLink fieldCode="DE" term="%22Rubidium%22">Rubidium</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+spectroscopy%22">Optical spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Physical+constants%22">Physical constants</searchLink><br /><searchLink fieldCode="DE" term="%22High+resolution+spectroscopy%22">High resolution spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+field+measurements%22">Magnetic field measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Rubidium+compounds%22">Rubidium compounds</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: High-resolution optical spectroscopy of Rb atoms in an intermediate-Zeeman magnetic field regime is performed. Magnetic fields between 0.05 T and 0.13 T are measured. We introduce a measurement approach based on three-level Λ systems where the open-loop frequency energy separation is determined by the applied magnetic field. Using this method an accuracy better than 100 ppm is reached in a measurement series. In parallel, on the basis of complementary measurements based on three-level V systems we obtain the first experimental value of the Landé g-factor of the first excited state for 85 Rb, 85 g J (5 P 1 / 2) =0.66709(7), and for 87 Rb, 87 g J (5 P 1 / 2) =0.6663(2). Our approach is unprecedented in the literature for Rb. Experimental results for the Land´e g-factor of the first excited state of Rb [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal D (EPJ D) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1140/epjd/s10053-025-01112-9
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 12
        StartPage: 1
    Subjects:
      – SubjectFull: Zeeman effect
        Type: general
      – SubjectFull: Rubidium
        Type: general
      – SubjectFull: Optical spectroscopy
        Type: general
      – SubjectFull: Physical constants
        Type: general
      – SubjectFull: High resolution spectroscopy
        Type: general
      – SubjectFull: Magnetic field measurements
        Type: general
      – SubjectFull: Rubidium compounds
        Type: general
    Titles:
      – TitleFull: Rb vapour Zeeman optical spectroscopy in a self-calibrated magnetic field.
        Type: main
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          Name:
            NameFull: Scotto, Stefano
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            NameFull: Ciampini, Donatella
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            NameFull: Battesti, Rémy
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            NameFull: Rizzo, Carlo
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            NameFull: Arimondo, Ennio
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            – D: 01
              M: 01
              Text: Jan2026
              Type: published
              Y: 2026
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