The coherent excitation property of a two-level atom w itha hyperfine structure in narrow band laser field | Zendy

Lijun Wang | Zendy; Yu Hui-Ying | Zendy

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The coherent excitation property of a two-level atom w itha hyperfine structure in narrow band laser field

Author(s) -

Lijun Wang,

Yu Hui-Ying

Publication year - 2004

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.53.4151

Subject(s) - hyperfine structure , excitation , atom (system on chip) , atomic physics , laser , physics , field (mathematics) , optics , quantum mechanics , mathematics , computer science , pure mathematics , embedded system

In this paper the semi-classic theory of coherent excitation of a two-level atom was modified and applied to a two-level atom with a hyperfine structure. The im portant result of calculation is as follows: when the exciting laser power is la rge enough, due to the power broadening effect, a narrow-band laser can excite a two-level atom with a hyperfine structure effectively. So it is not necessary t o use a broad-band laser to guarantee excitation efficiency for an atom with hyp erfine split levels.

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