AMPLIFYING MEDIUM COMPRISING A LIQUID MEDIUM BASED ON HALOGENATED LIGANDS AND LANTHANIDES

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The invention relates to an optical amplifying medium comprising a liquid medium, characterized in that the liquid medium comprises : - an organic ligand corresponding to the following chemical formula : the groups R1, R2 and R3 comprising halogenated chains, - a rare earth ion. The advantage of using a liquid medium lies in the possibility of more readily evacuating the heat within the amplifying medium. The present solution proposes a formulation which makes it possible, moreover, to have non-toxic entities, contrary to those proposed in the prior art.