X Yu, H Chu, F Zha, H Pan, S Zhao,
Z Pan, D Li - Optics Letters, 2022 - opg.optica.org
In this Letter, a watt-level laser diode (LD)-pumped∼ 2.3-µm (on the^ 3H_4?^ 3H_5 quasi-
four-level transition) laser is reported based on a 1.5 at.% a-cut Tm: YVO_4 crystal. The …