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物理学报. 2004, 53(12): 4151-4156.
doi: 10.7498/aps.53.4151.
窄带激光与能级具有超精细结构的二能级原子的相干激发
- 收稿日期: 2004-03-04
- 修回日期: 2004-03-31
- 刊出日期: 2004-06-05
English Abstract
The coherent excitation property of a two-level atom w itha hyperfine structure in narrow band laser field
- Received Date:
04 March 2004
- Accepted Date:
31 March 2004
- Published Online:
05 June 2004
Abstract: 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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Keywords:
- hyperfine structure /
- two-level atom /
- Ra bi frequency /
- gadolinium atom
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