Generating inversion on a nuclear transition - photopumping of Rh-103

Citation
F. Stedile et al., Generating inversion on a nuclear transition - photopumping of Rh-103, J PHYS IV, 11(PR2), 2001, pp. 271-274
Citations number
10
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
JOURNAL DE PHYSIQUE IV
ISSN journal
1155-4339 → ACNP
Volume
11
Issue
PR2
Year of publication
2001
Pages
271 - 274
Database
ISI
SICI code
1155-4339(200107)11:PR2<271:GIOANT>2.0.ZU;2-J
Abstract
The natural isotope Rh-103 has two low-lying levels with energies of 357.4 keV and 295.0 keV, the lifetimes of which are 107 and 9.7 ps, respectively, Thus the lower level has a considerably shorter lifetime than the upper on e, a situation favorable for generating population inversion. Nuclear Reson ance Fluorescence (NRF) experiments have been performed in which 26 high-ly ing levels have been identified, from which either the upper or the lower l evel or both can be populated by radiative decay. An evaluation of the data shows that this "feeding" mechanism indeed resulted in inversion on the 62 .4 keV transition.