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http://dx.doi.org/10.3807/KJOP.2002.13.5.449

The Effect of Incoherent Pumping in Electromagnetically Induced Absorption  

Moon, Han-Sub (Center for Information and Telecommunication Standards, Korea Research Institute of the Standards and Science)
Kim, Sook-Yung (Dept. of Physics Education, Korea National University of Education)
Kim, Kyung-Dae (Dept. of Physics Education, Korea National University of Education)
Lee, Chung-Hee (Dept. of Physics Education, Korea National University of Education)
Lee, Rim (Dept. of Physics Education, Korea National University of Education)
Kim, Haeng-Hwa (Dept. of Physics Education, Korea National University of Education)
Kim, Joong-Bok (Dept. of Physics Education, Korea National University of Education)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.5, 2002 , pp. 449-454 More about this Journal
Abstract
We have studied the effects of incoherent pumping on EIA at the transition between the $F_g=2$ ground state and the $F_e=3$ excited state in $^{85}Rb\;D_1$-line. Generally, the studies about EIA have been done in the cycling transition, where the population has no loss to other states. In the case of EIA by using the $^{85}Rb\;D_1$ transition line, the population is transferred to the other hyperfine state due to optical pumping. We incoherently pumped the atoms from $F_g=3\;to\;F_g=2$ with the pumping beam, which is resonant at the transition from $F_g=3\;to\;F_g=2$. We were able to observe the effects of incoherent pumping depending on the power and the polarization of the pumping beam.
Keywords
EIA; EIT; atomic coherence; Rb; incoherent pumping;
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