Dual-wavelength and wavelength-tunable passively Q-switched 3um fiber laser based on a bulk PtSe2

Shurong Jiang; Chen Wei; Le Zheng; Hongrong Zhou; Han Zhang; Jing Zhang; Yong Liu

doi:10.1117/12.2602544

9 October 2021 Dual-wavelength and wavelength-tunable passively Q-switched 3μm fiber laser based on a bulk PtSe₂

Shurong Jiang, Chen Wei, Le Zheng, Hongrong Zhou, Han Zhang, Jing Zhang, Yong Liu

Proceedings Volume 11890, Advanced Lasers, High-Power Lasers, and Applications XII; 118900I (2021) https://doi.org/10.1117/12.2602544
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

We report a dual-wavelength tunable passively Q-switched Er³⁺ -doped ZBLAN fiber laser at ~3 nm using a bulk PtSe2 as a saturation absorber. Stable pulses were generated for average output power of 504.0 mW at 72.9 kHz repetition rate. The corresponding pulse width and pulse energy were measured to be 1.26 μs and 6.92 μJ, respectively. By tuning the feedback angle of the plane ruled grating, the spectra show simultaneous dual-wavelength pulsed operations with tuning range of 51.5 nm (2745.5-2797.0 nm) at the launched pump of 2.27 W.

Citation Download Citation

Shurong Jiang, Chen Wei, Le Zheng, Hongrong Zhou, Han Zhang, Jing Zhang, and Yong Liu "Dual-wavelength and wavelength-tunable passively Q-switched 3μm fiber laser based on a bulk PtSe₂", Proc. SPIE 11890, Advanced Lasers, High-Power Lasers, and Applications XII, 118900I (9 October 2021); https://doi.org/10.1117/12.2602544

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