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PROPRIETES SPECTROSCOPIQUES DES CRISTAUX MF2 (M=CD, SR, BA) DOPES AUX IONS DE TERRES RARES

Journal: Journal of Fundamental and Applied Sciences (Vol.4, No. 1)

Publication Date:

Authors : ;

Page : 25-31

Keywords : MF2 crystals; spectroscopic properties; alkaline earth; absorption; emission; formalism of Judd-Ofelt;

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Abstract

In the present work, we are interested by studying the spectroscopic properties for optical applications, mainly laser amplification, of MF2 crystals, where M is an alkaline earth (Ba, Sr) or Cadmium (Cd) doped with rare earth ions (Tb3+, Er3+, Ho3+). So far, we present the absorption and emission properties and also the fluorescence dynamics at room temperature of visible and near infrared transitions of the Er3+ ion doping these matrices. We also use the formalism of Judd-Ofelt by use of absorption spectra recorded at room temperature in order to identify the spectroscopic properties inherent in all radiative transitions which can occur.

Last modified: 2013-06-11 04:04:14