Compensation of ac Stark shifts in optical magnetometry
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The ac Stark shift of the resonance frequency of the nonlinear magneto-optic effect (NMOE) results in a fundamental broadening of this resonance which limits the precision of optical magnetometry based on NMOE. We have studied the dependence of the ac Stark shift versus frequency of the probing laser for the [Formula Presented] and [Formula Presented] lines of [Formula Presented] and have shown that there exists a frequency where the shifts from different hyperfine components of the upper level cancel each other. This holds promise for an in-principle increase in the sensitivity of optical magnetometers. The influence of buffer gas on Faraday rotation and ac Stark shifts is also considered. 2001 The American Physical Society.
author list (cited authors)
Novikova, I., Matsko, A. B., Velichansky, V. L., Scully, M. O., & Welch, G. R.
complete list of authors
Novikova, I||Matsko, AB||Velichansky, VL||Scully, MO||Welch, GR