Red Sm:KGd(WO4)2 laser at 649 nm

被引：5
|
作者：
Baillard, Amandine [1 ]
Loiko, Pavel [1 ]
Rytz, Daniel [2 ]
Schwung, Sebastian [2 ]
Fromager, Michael [1 ]
Braud, Alain [1 ]
Camy, Patrice [1 ]
机构：
[1] Univ Caen Normandie, Ctr Rech Ions Mat & Photon CIMAP, CEA,CNRS,ENSICAEN, UMR 6252, 6 Blvd Marechal Juin, F-14050 Caen 4, France
[2] EOT GmbH, Struthstr 2, D-55743 Idar Oberstein, Germany
来源：
OPTICS LETTERS | 2023年 / 48卷 / 18期
关键词：
SPECTROSCOPY;
D O I：
10.1364/OL.498100
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on the first laser operation of a Sm3+-doped monoclinic KGd(WO4)2 double tungstate crystal in the red spectral range. Pumped by a frequency-doubled optically pumped semiconductor laser (2 omega-OPSL) at 479.1 nm, the 0.8 at. % Sm:KGd(WO4)2 laser generated an output power up to 17.6 mW at 649.1 nm (the 4G5/2 -> 6H9/2 transition) with a slope efficiency of 16.9%, a laser threshold down to 29 mW and a linear polarization. The laser exhibited a self-pulsing behavior, delivering mu s-long pulses with a repetition rate of a few kHz. The polarized spectroscopic properties of Sm3+ ions were determined as well.(c) 2023 Optica Publishing Group
引用
收藏
页码：4721 / 4724
页数：4
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