Abstracts
Poster Abstracts | Talk Abstracts
Measurement of Dicke-narrowed optical transitions in warm alkali vapor for different buffer gas pressures
Presenting Author: Kefeng Jiang, Miami University
Contributing Author(s): Jianqiao Li, Linzhao Zhuo, Ken DeRose, Samir Bali
We demonstrate the quadratic dependence on the relative pump-probe beam angle of the electromagnetically induced transparency narrowed transition linewidth - a defining signature of Dicke narrowing of the optical transition linewidth. We vary the buffer gas pressure thus varying the atomic spatial localization and hence the size of the “quantization box” causing the Dicke narrowing. By carefully defining the zero-value for the relative angle where the linewidth is measured to be a minimum, we find that our data agrees with the theory better than ever before, with no fit-parameters. Funded by Army Research Office.
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