First Yb:NaGd(WO4)2 Solid-State Laser Pumped by Ti:Sapphire and Diode Laser

Room and low temperature spectroscopy of Yb:NaGd(WO4)2 is presented. Laser operation near 1030 nm is demonstrated under Ti:sapphire and diode laser pumping at 975 nm with maximum slope efficiencies of 36% and 19%, respectively.