Selective Reflection of Laser Radiation from Ultrathin Layers of Cesium Atomic Vapors Confined in a Nanocell

The effect of the van der Waals interaction of cesium atoms with the sapphire windows of a nanocell was experimentally investigated using the selective reflection process. The distance L between the windows varied in the range of 50–2000 nm and the nanocell was filled with the vapors of cesium atoms...

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Bibliographic Details
Published inJournal of contemporary physics Vol. 53; no. 4; pp. 301 - 312
Main Authors Sargsyan, A. D., Sarkisyan, A. S., Sarkisyan, D. H.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.10.2018
Springer Nature B.V
Subjects
Cesium
Magnetic fields
Particle and Nuclear Physics
Physics
Physics and Astronomy
Reflection
Sapphire
Spatial resolution
cesium vapors
laser radiation
nanocell
selective reflection
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Summary:The effect of the van der Waals interaction of cesium atoms with the sapphire windows of a nanocell was experimentally investigated using the selective reflection process. The distance L between the windows varied in the range of 50–2000 nm and the nanocell was filled with the vapors of cesium atoms. For the Cs atoms (the transition 6 S 1/2 → 6 P 1/2 ), the C 3 coefficient of the van der Waals interaction with the sapphire windows of the nanocell is measured. It is shown that it is possible to determine the magnetic fields with the spatial resolution of 70 nm using the selective reflection spectrum and, consequently, both the homogeneous and highly gradient magnetic fields can be measured.
ISSN:1068-3372
1934-9378
DOI:10.3103/S1068337218040059