Krzemień Leszek , Baster Kacper, Brzozowski Krzysztof , Wojciechowski Adam , Zachorowski Jerzy , Gawlik Wojciech
journal title:
Optica Applicata
volume:
40
issue:
3
date of publication
:
2010
pages:
571-576
ISSN:
0078-5466
eISSN:
1899-7015
language:
English
journal language:
English
abstract in English:
We demonstrate photoionization spectroscopy in cold rubidium atoms
trapped in a working magneto-optical trap. Three-photon ionization with
two-photon resonance proceeds along various channels, with the
step-by-step 5S-5P-5D transition and with the two-photon excitation of
the 5D or 7S state. The processes are monitored by measuring ion signals
which allow sensitive spectroscopy of weak transitions in a cold-atom
sample.
keywords in English:
cold atoms, photoionization
affiliation:
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego