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Absolute Frequency Measurements of 4s2S1/2→6s2S1/2 Two-Photon Transition of Potassium for Application in Frequency Metrology


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1 National Centre for Compositional Characterisation of Materials, Bhabha Atomic Research Centre, Hyderabad, India
     

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High resolution laser spectroscopic measurements on potassium 4s2S1/2→6s2S1/2 two-photon transition. The hyperfine spread was measured for 39K and 41K isotopes. The absolute frequency values of the centre of gravity of 39K and 41K were measured within an accuracy of 10 MHz. Details on the investigations is discussed.

Keywords

Frequency Metrology, High Resolution Laser Spectroscopy Potassium Isotopes, Isotope Shift, Hyperfine Structure, Absolute Frequencies.
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  • Absolute Frequency Measurements of 4s2S1/2→6s2S1/2 Two-Photon Transition of Potassium for Application in Frequency Metrology

Abstract Views: 188  |  PDF Views: 0

Authors

P. V. Kiran Kumar
National Centre for Compositional Characterisation of Materials, Bhabha Atomic Research Centre, Hyderabad, India
M. V. Suryanarayana
National Centre for Compositional Characterisation of Materials, Bhabha Atomic Research Centre, Hyderabad, India

Abstract


High resolution laser spectroscopic measurements on potassium 4s2S1/2→6s2S1/2 two-photon transition. The hyperfine spread was measured for 39K and 41K isotopes. The absolute frequency values of the centre of gravity of 39K and 41K were measured within an accuracy of 10 MHz. Details on the investigations is discussed.

Keywords


Frequency Metrology, High Resolution Laser Spectroscopy Potassium Isotopes, Isotope Shift, Hyperfine Structure, Absolute Frequencies.