Journal of the Optical Society of America B: Optical Physics, volume 42, issue 7, pages A1

Multi-Watt output power in-band pumped Ho:KLu(WO4)2 laser

Sami Slimi 2
, 
X. Mateos 2
, 
R. Solé 2
, 
Magdalena Aguiló 2
, 
Francesc Díaz 2
, 
Weidong Chen 3
, 
Pavel Loiko 4
, 
Cui Chen 3
, 
Uwe Griebner 1
, 
Valentin Petrov 1
Show full list: 10 authors
1
 
2
 
3
 
Chinese Academy of sciences
4
 
Université de Caen Normandie | 
Publication type: Journal Article
Publication date: 2025-02-06
scimago Q2
SJR: 0.504
CiteScore: 4.0
Impact factor: 1.8
ISSN: 07403224, 15208540
Abstract

Multi-watt continuous-wave operation is reported for what is believed to be the first time for an in-band-pumped Ho:KLu(WO4)2 laser emitting at 2078 nm in N m polarization. The slope efficiency reached 33.5% with respect to the incident unpolarized pump radiation near 1959 nm, without pronounced roll-off effects. The total tuning range with a 1.5% output coupler covered 117 nm.

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