Steady‐state excitation of a sodium beam using a cw laser
作者:
Gary M. Carter,
David E. Pritchard,
Theodore W. Ducas,
期刊:
Applied Physics Letters
(AIP Available online 1975)
卷期:
Volume 27,
issue 9
页码: 498-499
ISSN:0003-6951
年代: 1975
DOI:10.1063/1.88548
出版商: AIP
数据来源: AIP
摘要:
We demonstrate a method for maintaining a large fraction (≳17%) of an atomic sodium beam in an excited state. The method uses the Doppler shift to produce, from a single‐frequency laser source, a frequency spectrum which prevents optical pumping of the atoms into either of the hyperfine levels of the ground state. A small magnetic field is used to prevent pumping into a magnetic sublevel of the ground state. The method may be used for both theP1/2andP3/2fine‐structure levels.
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