Trace of evanescent wave polarization by atomic vapor spectroscopy

Various efforts have been made to determine the polarization state of evanescent waves in different structures. The present study shows the reliability of magneto-optical spectroscopy of D1 and D2 lines of rubidium metal and polarization-dependent transitions to investigate and trace the changes in...

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Bibliographic Details
Published in:Scientific reports 2021-11, Vol.11 (1), p.21668-21668, Article 21668
Main Authors: Mosleh, M., Ranjbaran, M., Hamidi, S. M.
Format: Article
Language:English
Subjects:
639/624/1075
639/624/1107
639/624/1107/527
Anisotropy
Humanities and Social Sciences
Magnetic fields
multidisciplinary
Polarization
Rubidium
Science
Science (multidisciplinary)
Spectroscopy
Spectrum analysis
Vapors
Waves
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Summary:Various efforts have been made to determine the polarization state of evanescent waves in different structures. The present study shows the reliability of magneto-optical spectroscopy of D1 and D2 lines of rubidium metal and polarization-dependent transitions to investigate and trace the changes in the polarization state of evanescent fields during total internal reflection over different angles. For this purpose, we design and fabricate atomic- evanescent Rb vapor cells and examine the effect of polarization changes of evanescent waves, depending on the propagation direction of evanescent waves in anisotropic rubidium vapor media under 88 mT external magnetic field by different configurations theoretically and experimentally. The results confirm the dependency of allowed σ ± and π transitions on the magneto optical configuration as a tool to determine changes in the polarization of evanescent waves in more complicated wave states in anisotropic media.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-01264-9