Passively Q-switched solid-state Tm:YAG laser using topological insulator Bi2Te3 as a saturable absorber

Passively Q-switched solid-state Tm:YAG laser using topological insulator Bi2Te3 as a saturable absorber

We demonstrated a passively Q-switched solid-state Tm:YAG laser using topological insulator (TI) Bi2Te3 as the saturable absorber (SA) for the first time, to the best of our knowledge. The Q-switched laser pulses were obtained with the minimum pulse width of 382 ns, the maximum pulse energy of 4.8 μ...

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Veröffentlicht in:Applied optics. Optical technology and biomedical optics 2018-03, Vol.57 (9), p.2020-2024
Hauptverfasser: Gao, Pan, Huang, Haizhou, Wang, Xihu, Liu, Huagang, Huang, Jianhong, Weng, Wen, Dai, Shutao, Li, Jinhui, Lin, Wenxiong
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Sprache:eng
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Zusammenfassung:We demonstrated a passively Q-switched solid-state Tm:YAG laser using topological insulator (TI) Bi2Te3 as the saturable absorber (SA) for the first time, to the best of our knowledge. The Q-switched laser pulses were obtained with the minimum pulse width of 382 ns, the maximum pulse energy of 4.8 μJ, the maximum average output power of 272 mW, and a pulse repetition rate of 57.67 kHz. The results indicate that Bi2Te3 can be a promising kind of saturable absorber in the 2 μm wavelength region.
ISSN:1539-4522
DOI:10.1364/AO.57.002020