Numéro
J. Phys. IV France
Volume 04, Numéro C4, Avril 1994
3rd International Conference Laser M2P
Page(s) C4-431 - C4-434
DOI http://dx.doi.org/10.1051/jp4:19944103
3rd International Conference Laser M2P

J. Phys. IV France 04 (1994) C4-431-C4-434

DOI: 10.1051/jp4:19944103

Influence of looping mechanisms in up-conversion processes in Yb-Tm-Ho doped Gd3Ga5O12

A. BRENIER, C. GARAPON, C. MADEJ, C. PÉDRINI and G. BOULON

Laboratoire de Physico-Chimie des Matériaux Luminescents, Université Claude Bernard Lyon I, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne cedex, France


Abstract
Two looping mechanisms are studied in Tm and Tm-Ho-Yb doped Gd3Ga5O12 (GGG). The first one is obtained under pulsed laser excitation, the second one under continuous laser excitation. The gain, losses and condition of stability of the loop are given.



© EDP Sciences 1994