Selective reflection spectroscopy of a vapour at a calcium fluoride interface
Thierry Passerat De Silans (LPL), Athanasios Laliotis (LPL), Marco, Romanelli (LPL), Pedro Chaves De Souza Segundo (LPL), Isabelle Maurin (LPL),, Daniel Bloch (LPL), Martial Ducloy (LPL), Asphet Sarkisyan (IPR), David, Sarkisyan (IPR)
TL;DR
This paper investigates the temperature-dependent atom-surface interactions at a calcium fluoride interface using selective reflection spectroscopy on cesium vapor, highlighting preliminary findings in thermal infrared surface resonances.
Contribution
It introduces a novel experimental setup to study temperature effects on atom-surface interactions at a CaF2 interface using selective reflection spectroscopy.
Findings
Evidence of temperature dependence in atom-surface interactions
Identification of surface resonances in the thermal infrared
Preliminary data suggesting a measurable temperature effect
Abstract
Fluoride materials exhibit surface resonances located in the thermal infrared. This makes them interesting to search for a fundamental temperature dependence of the atom-surface interaction, originating in the near-field thermal emissivity of the surface. Preliminary selective reflection experiments performed on a special Cs vapour cell that includes a CaF2 interface show a temperature dependence, yet to be analyzed
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