Alkali-metal-atom polarization imaging in high-pressure optical-pumping cells

被引：41

作者：

Baranga, AB ^{[1
]}

Appelt, S ^{[1
]}

Erickson, CJ ^{[1
]}

Young, AR ^{[1
]}

Happer, W ^{[1
]}

机构：

[1] Princeton Univ, Dept Phys, Joseph Henry Lab, Princeton, NJ 08544 USA

来源：

PHYSICAL REVIEW A | 1998年 / 58卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.58.2282

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a detailed experimental analysis of Rb-polarization imaging in high-pressure gas cells. The Rb vapor in these cells is optically pumped by high-power diode-laser arrays. We present images for high (35 G) and low (4 G) magnetic fields and for different He and Xe buffer-gas mixtures. We demonstrate that high-field imaging provides an absolute measurement of the Rb-polarization distribution in the cell, based on the fact that a spin-temperature distribution of the hyperfine magnetic sublevels is established in high-pressure buffer gases. A survey of various mechanisms that broaden the Rb magnetic-resonance lines is presented. These broadening mechanisms determine the limits of the spatial resolution achievable for images of the Rb-polarization distribution.

引用

页码：2282 / 2294

页数：13

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