Patent ID: 6023479
Filing Date: 2000-02-08
Classification: H01S

Abstract:
Microlaser cavity incorporating:a solid active medium emitting at least in a wavelength range between 1.5 and 1.6 .mu.m anda saturable absorber of formula CaF.sub.2 :Co.sup.2+ or MgF.sub.2 :Co.sup.2+ or SrF.sub.2 :Co.sup.2+ or BaF.sub.2 :Co.sup.2+ or La.sub.0.9 Mg.sub.0.5-x Co.sub.x Al.sub.11.433 O.sub.19 or YAlO.sub.3 :Co.sup.2+ or YAl.sub.5-2x Co.sub.x Si.sub.x O.sub.3 or Y.sub.3 Al.sub.5-x-y Ga.sub.x Sc.sub.y O.sub.12 :Co.sup.2+ or Y.sub.3 Al.sub.5-x-y-2z Ga.sub.y Sc.sub.z Co.sub.z Si.sub.z O.sub.12 or Y Lu Al O:Co.sup.2+ or Y.sub.3-x Lu.sub.x Al.sub.5 12 Co Si O or Sr.sub.1-x Mg.sub.x La.sub.y Al.sub.12-y O.sub.12 :Co.sup.2+ or Sr.sub.1-x Mg.sub.x-y Co.sub.y La.sub.z Al.sub.12-z O.sub.12, (with o<y<x for the latter compound).