VISIBLE OBSERVATION OF METASTABLE HELIUM-ATOMS CONFINED IN AN INFRARED VISIBLE DOUBLE-RESONANCE TRAP

被引：15

作者：

KUMAKURA, M

MORITA, N

机构：

[1] Institute for Molecular Science, Okazaki, 444, Myodaiji

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1992年 / 31卷 / 3A期

关键词：

LASER TRAPPING; LASER COOLING; MAGNETOOPTICAL TRAP; HELIUM ATOM; METASTABLE STATE; DOUBLE RESONANCE; LNA LASER;

D O I：

10.1143/JJAP.31.L276

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using a visible probe laser exciting the 2p3P2 --> 3d3D3 transition (lambda = 588 nm), we have demonstrated a visible observation of metastable He atoms magnetooptically trapped by an infrared laser resonant with the 2s3S1 --> 2p3P2 transition (lambda = 1083nm). Detecting visible resonance fluorescence, only 10(4) atoms confined in a trap with a diameter of 1 mm have been sensitively observed even with the naked eye. It has been found that under a given condition the visible laser operates as a trapping laser and considerably extends the capture range of infrared laser detuning.

引用

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页码：L276 / L279

页数：4

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