Volume 15, Issue 2-4 071705 pp. 221-228
Article
Open Access

Laser Spectroscopy of Neutral Atoms in Superfluid Helium: New Environment For Spectroscopy and Chemistry

Qin Hui

Qin Hui

The Institute of Physical and Chemical Research (RIKEN) Wako Saitama 351-01, Japan , riken.jp

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John L. Persson

John L. Persson

The Institute of Physical and Chemical Research (RIKEN) Wako Saitama 351-01, Japan , riken.jp

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Jaap H. M. Beijersbergen

Jaap H. M. Beijersbergen

The Institute of Physical and Chemical Research (RIKEN) Wako Saitama 351-01, Japan , riken.jp

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Michio Takami

Michio Takami

The Institute of Physical and Chemical Research (RIKEN) Wako Saitama 351-01, Japan , riken.jp

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First published: 01 January 1995
Citations: 9

Abstract

The optical spectra of neutral atoms are studied in superfluid helium (HeII). Neutral atoms are dispersed into HeII by laser ablation of solid samples immersed in HeII. Absorption and emission spectra of dispersed atoms are studied with pulsed dye lasers. Ytterbium is found to be a typical bubble atom which resides in a bubble-like cavity formed by a strong repulsive force against the surrounding He atoms. Resonance quenching of LIF by accidental overlap of the resonant induced emission and broad absorption lines is observed.

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