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2 Computational Methods in Science and Technology

2 2010

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Magneto-optical Trap: Fundamentals and Realization

Kowalski K., Cao Long V., Dinh Xuan K., Głódź M., Nguyen Huy B., Szonert J.

Computational Methods in Science and Technology

2010

Vol. spec. iss. (2)

115-129

Principles of laser cooling and trapping of atoms with regard to the magneto-optical trap (MOT) are described. Some details of the MOT and the accompanying measuring system, both constructed at the Institute of Physics, PAS in Warsaw, are given. Two examples of experimental results are shown.

Electromagnetically Induced Transparency

Kowalski K., Cao Long V., Dinh Xuan K., Głódź M., Nguyen Huy B., Szonert J.

Computational Methods in Science and Technology

2010

Vol. spec. iss. (2)

131-145

In the initial part of the paper, the principles of the electromagnetically induced transparency (EIT) in basic three-level schemes are sketched, and some applications of this phenomenon are described. Next a presentation follows of a five-level EIT model of Bloch equations, which was developed to reconstruct multipeak cascade-EIT spectra registered in a sample of cold 85Rb atoms in MOT. The respective experiment is also described. The achieved good agreement between theory and performed experiment is documented and discussed.