Growth and continuous‐wave laser operation of disordered crystals of Yb3+:NaLa(WO4)2 and Yb3+:NaLa(MoO4)2

We acknowledge financial support through Projects MAT2002-4605-C05-05 and CAM-MAT-434-2004 (Spain) and DT-CRYS, NMP3-CT-2003-505580 (EU).