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D2-Line Spectroscopy of Potassium Atoms in an Optical Nanocell.

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Title: D2-Line Spectroscopy of Potassium Atoms in an Optical Nanocell.
Authors: Sargsyan, A.1 (AUTHOR) sarmeno@mail.ru
Source: Journal of Applied Spectroscopy. Jan2026, Vol. 92 Issue 6, p1181-1185. 5p.
Subjects: Optical resonance, Optical pumping, Potassium ions, Atomic transitions, Absorption spectra, Nanophotonics, Laser beams, Spectrometry
Abstract: Features of transmission spectra of laser radiation of the D2-line through a nanocell with a potassium-atom vapor column of variable thickness in the range 300–2000 nm are investigated. It is shown that at low laser radiation intensities, a narrowing of the resonance transmission spectrum is observed at thicknesses L = (2n + 1)λ/2 (n is an integer) and a broadening of the spectrum, at thicknesses L = nλ. Velocity-selective optical pumping resonances appear in the transmission spectrum of the nanocell if the laser radiation intensity is increased. They are located at atomic transitions and have a spectral width 13 times smaller than the Doppler width. Resonances in the nanocell are compared with resonances formed by the known saturated absorption technique. The results can be used to form narrow optical resonances in miniature devices containing atomic vapors. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Applied Spectroscopy 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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DbLabel: Engineering Source
An: 191135380
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PubType: Academic Journal
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  Data: D<subscript>2</subscript>-Line Spectroscopy of Potassium Atoms in an Optical Nanocell.
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  Data: <searchLink fieldCode="AR" term="%22Sargsyan%2C+A%2E%22">Sargsyan, A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sarmeno@mail.ru</i>
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  Data: <searchLink fieldCode="DE" term="%22Optical+resonance%22">Optical resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+pumping%22">Optical pumping</searchLink><br /><searchLink fieldCode="DE" term="%22Potassium+ions%22">Potassium ions</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+transitions%22">Atomic transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+spectra%22">Absorption spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Nanophotonics%22">Nanophotonics</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+beams%22">Laser beams</searchLink><br /><searchLink fieldCode="DE" term="%22Spectrometry%22">Spectrometry</searchLink>
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  Data: Features of transmission spectra of laser radiation of the D2-line through a nanocell with a potassium-atom vapor column of variable thickness in the range 300–2000 nm are investigated. It is shown that at low laser radiation intensities, a narrowing of the resonance transmission spectrum is observed at thicknesses L = (2n + 1)λ/2 (n is an integer) and a broadening of the spectrum, at thicknesses L = nλ. Velocity-selective optical pumping resonances appear in the transmission spectrum of the nanocell if the laser radiation intensity is increased. They are located at atomic transitions and have a spectral width 13 times smaller than the Doppler width. Resonances in the nanocell are compared with resonances formed by the known saturated absorption technique. The results can be used to form narrow optical resonances in miniature devices containing atomic vapors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Applied Spectroscopy 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: 10.1007/s10812-026-02022-3
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      – Code: eng
        Text: English
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        PageCount: 5
        StartPage: 1181
    Subjects:
      – SubjectFull: Optical resonance
        Type: general
      – SubjectFull: Optical pumping
        Type: general
      – SubjectFull: Potassium ions
        Type: general
      – SubjectFull: Atomic transitions
        Type: general
      – SubjectFull: Absorption spectra
        Type: general
      – SubjectFull: Nanophotonics
        Type: general
      – SubjectFull: Laser beams
        Type: general
      – SubjectFull: Spectrometry
        Type: general
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      – TitleFull: D2-Line Spectroscopy of Potassium Atoms in an Optical Nanocell.
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              Text: Jan2026
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              Y: 2026
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