High-spatial-resolution monitoring of strong magnetic field using Rb vapor nanometric-thin cell |
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| Authors: | G Hakhumyan C Leroy Y Pashayan-Leroy D Sarkisyan M Auzinsh |
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| Institution: | 1. Department of Physics, College of William and Mary,Box 8795, Williamsburg, VA, USA;2. Department of Environmental, Earth, and Atmospheric Sciences, University of Massachusetts Lowell, Lowell MA, USA;3. Laboratoire de Météorologie Dynamique, IPSL, CNRS UMR 8539, Sorbonne Universités, UPMC Univ. Paris 06, Paris 75252, France;4. Science Directorate, NASA Langley Research Center, Hampton, VA, USA;5. Pacific Northwest National Laboratory, Richland, WA, USA |
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| Abstract: | We have implemented the so-called λ-Zeeman technique (LZT) to investigate individual hyperfine transitions between Zeeman sublevels of the Rb atoms in a strong external magnetic field B in the range of 2500 ? 5000 G (recently it was established that LZT is very convenient for the range of 10 ? 2500 G). Atoms are confined in a nanometric thin cell (NTC) with the thickness L = λ, where λ is the resonant wavelength 794 nm for Rb D1 line. Narrow velocity selective optical pumping (VSOP) resonances in the transmission spectrum of the NTC are split into several components in a magnetic field with the frequency positions and transition probabilities depending on the B-field. Possible applications are described, such as magnetometers with nanometric local spatial resolution and tunable atomic frequency references. |
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