Passively mode‐locked Tm:YAP laser with a V2AlC saturable absorber

In this work, a V2AlC‐based saturable absorber (SA) was applied to a 2 μm band passively mode‐locked (PML) laser. The saturation intensity and modulation depth of the V2AlC‐based SA were detected by the I‐scan method, which were 225.05 MW/cm2 and 7.68%, respectively. In the PML mode, an average powe...

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Bibliographic Details
Published in:Microwave and optical technology letters 2024-10, Vol.66 (10), p.n/a
Main Authors: Ma, Zhaoyu, Hao, Qianqian, Wang, Huanli, Gao, Qiong, Mi, Shuyi, Li, Daguang, Li, Linjun, Xu, Baoyu
Format: Article
Language:English
Subjects:
2 μm thulium laser
Absorbers
MAX phase V2AlC
passively mode‐locked
Pulse duration
saturable absorber
Ultrafast lasers
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Summary:In this work, a V2AlC‐based saturable absorber (SA) was applied to a 2 μm band passively mode‐locked (PML) laser. The saturation intensity and modulation depth of the V2AlC‐based SA were detected by the I‐scan method, which were 225.05 MW/cm2 and 7.68%, respectively. In the PML mode, an average power of 2.12 W at 1939 nm and a pulse width of 1077 ps at 82.49 MHz were obtained from the Tm:YAP laser. In addition, the laser exhibited a good beam quality factor (M2) which was measured to be less than 1.2. These results will pave the way for the application of V2AlC‐based SA in ultrafast lasers.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.70007