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首页> 外文期刊>Journal of the Optical Society of America, B. Optical Physics >Fluorescence of rubidium in a submicrometer vapor cell: spectral resolution of atomic transitions between Zeeman sublevels in a moderate magnetic field
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Fluorescence of rubidium in a submicrometer vapor cell: spectral resolution of atomic transitions between Zeeman sublevels in a moderate magnetic field

机译：亚微米级蒸气室中id的荧光：在中等磁场中塞曼次能级之间原子跃迁的光谱分辨率

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摘要

It is experimentally demonstrated that use of an extremely thin cell (ETC) with the thickness of a Rb atomic vapor column of similar to400 nm allows one to resolve a large number of individual transitions between Zeeman sub-levels of the D-1 line of Rb-87 and Rb-85 in the sub-Doppler fluorescence excitation spectra in an external magnetic field of similar to200 G. It is revealed that due to the peculiarities of the Zeeman effect for different hyperfine levels of Rb, all allowed transitions between magnetic sublevels can be clearly resolved for Rb-87 F-g = 1 --> F-e = 1, 2 and F-g = 2 --> F-e = 1, 2 fluorescence excitation. Also, relatively good spectral resolution can be achieved for Rb-85 F-g = 2 --> F-g = 2, 3 fluorescence excitation. Some partial resolution of transitions between magnetic sublevels is achieved for Rb-85 F-g = 3 --> F-e = 2, 3 fluorescence excitation. The spectral resolution of individual transitions allows one to easily observe both linear and nonlinear Zeeman effects in the fluorescence excitation spectra obtained with the help of the ETC. In the fluorescence spectra of a cell of usual length there is no evidence of a spectral resolution of individual transitions at B similar to 200 G. A simple magnetometer based on ETC with Rb with a submicrometer spatial resolution is described. (C) 2005 Optical Society of America.
机译：实验证明，使用超薄电池（ETC）的Rb原子蒸气柱的厚度近似于400 nm，可以解决Rb D-1线的塞曼子能级之间的大量单个跃迁亚多普勒荧光激发光谱中的-87和Rb-85在类似于200 G的外部磁场中被发现。由于塞曼效应对于Rb的不同超细水平的特殊性，在磁性子能级之间所有允许的跃迁都可以对于Rb-87 Fg = 1-> Fe = 1，2和Fg = 2-> Fe = 1，2荧光激发可以清楚地解析。同样，对于Rb-85 F-g = 2-> F-g = 2，3荧光激发，可以获得相对较好的光谱分辨率。对于Rb-85 F-g = 3-> F-e = 2，3荧光激发，可以实现磁性子能级之间过渡的某些部分分辨率。单个跃迁的光谱分辨率使人们可以轻松地观察借助ETC获得的荧光激发光谱中的线性和非线性塞曼效应。在通常长度的细胞的荧光光谱中，没有证据表明类似于200 G的B处单个跃迁的光谱分辨率。描述了一种基于ETC和Rb且具有亚微米空间分辨率的简单磁力计。 （C）2005年美国眼镜学会。

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