通过级联激光实现性能增强的2.3微米二极管泵浦Tm:YAP激光器。

Diode-pumped Tm:YAP laser operating at 2.3 µm with enhanced performance through cascade lasing.

作者信息

Yu Xiaoxu, Zha Fangyuan, Pan Zhongben, Chu Hongwei, Pan Han, Li Dechun

出版信息

Opt Express. 2024 Jan 29;32(3):3461-3469. doi: 10.1364/OE.507031.

Abstract

The laser diode (LD)-pumped Tm:YAP (a-cut, 3.5 at.%) laser generated a maximum ∼2.3 µm continuous wave (CW) laser output power of ∼3 W. The higher output power benefited from the positive effect of the cascade lasing (simultaneously operating on the H → H and F → H Tm transition). It was the highest CW laser output power amongst the LD/Ti:Sapphire-CW-pumped ∼2.3 µm Tm-doped lasers reported so far. Under the cascade laser operation, the slope efficiency of the ∼2.3 µm laser emission versus the absorbed pump power increased from 13.0% to 21.4%.

摘要

激光二极管（LD）泵浦的Tm:YAP（a切割，3.5原子百分比）激光器产生了约3 W的最大连续波（CW）激光输出功率，波长约为2.3 µm。更高的输出功率得益于级联激光（同时在H→H和F→H Tm跃迁上运行）的积极作用。这是迄今为止报道的LD/钛宝石连续波泵浦的约2.3 µm掺Tm激光器中最高的连续波激光输出功率。在级联激光运行下，约2.3 µm激光发射相对于吸收泵浦功率的斜率效率从13.0%提高到了21.4%。