Laser cooling of externally produced Mg ions in a Penning trap for sympathetic cooling of highly charged ions

被引：38

作者：

Andelkovic, Z. ^{[1
]}

Cazan, R. ^{[1
]}

Noertershaeuser, W. ^{[1
]}

Bharadia, S. ^{[2
]}

Segal, D. M. ^{[2
]}

Thompson, R. C. ^{[2
]}

Joehren, R. ^{[3
]}

Vollbrecht, J. ^{[3
]}

Hannen, V. ^{[3
]}

Vogel, M. ^{[4
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Inst Kernchem, D-55099 Mainz, Germany

[2] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England

[3] Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[4] Tech Univ Darmstadt, Inst Angew Phys, D-64289 Darmstadt, Germany

来源：

PHYSICAL REVIEW A | 2013年 / 87卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

ELECTRON-CAPTURE; CROSS-SECTIONS; SPECTROSCOPY; PHASE; H-2;

D O I：

10.1103/PhysRevA.87.033423

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have performed laser cooling of Mg+ ions confined in a Penning trap. The externally produced ions were captured in flight, stored, and laser cooled. Laser-induced fluorescence was observed perpendicular to the cooling laser axis. Optical detection down to the single-ion level together with the electronic detection of the ion oscillations inside the Penning trap have been used to acquire information on the ion storage time, ion number, and ion temperature. Evidence for the formation of ion crystals has been observed. These investigations are an important prerequisite for the sympathetic cooling of simultaneously stored highly charged ions and the precision laser spectroscopy of forbidden transitions in these. DOI: 10.1103/PhysRevA.87.033423

引用

页数：9

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