Ultralow-power local laser control of the dimer density in alkali-metal vapors through photodesorption
Pankaj K. Jha, Konstantin E. Dorfman, Zhenhuan Yi, Luqi Yuan, Vladimir, A. Sautenkov, Yuri V. Rostovtsev, George R. Welch, Aleksei M. Zheltikov, and, Marlan O. Scully
TL;DR
This paper demonstrates that ultralow-power diode-laser radiation can precisely control the local density of alkali-metal dimers in vapors through photodesorption of cesium from a thin film, using resonant Raman spectroscopy.
Contribution
It introduces a novel method for local optical control of alkali-metal vapor density using low-power laser-induced photodesorption.
Findings
Successful local control of dimer density in alkali vapors
Effective use of resonant Raman spectroscopy for monitoring
Potential for low-power optical manipulation in vapor systems
Abstract
Ultralow-power diode-laser radiation is employed to induce photodesorption of cesium from a partially transparent thin-film cesium adsorbate on a solid surface. Using resonant Raman spectroscopy, we demonstrate that this photodesorption process enables an accurate local optical control of the density of dimer molecules in alkali-metal vapors.
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