Journal
OPTICS EXPRESS
Volume 28, Issue 21, Pages 31499-31509Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.406035
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Funding
- National Natural Science Foundation of China [12004213, 21872084, 61575109]
- Fundamental Research Fund of Shandong University [2018TB044]
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In the present work, we report the structural properties of the two dimensional (2D) few-layered Ti3C2(OH)(2)/Ti3C2F2 hybrid MXene synthesized via the HF acid etching method. Various characterizations were exploited to demonstrate the 2D layered structural properties of the hybrid MXene membranes. The density functional theory (DFT) simulation indicated the hybrid MXene possessed the small enough band gap, which could benefit the nonlinear optical applications in the infrared region. By the conventional open-aperture Z-scan technique, typical nonlinear saturable features were measured. Consequently, the hybrid MXene membranes exhibited the excellent saturable absorption properties at 1 and 1.3 mu m. As a saturable absorber, passively Q-switched Nd:YVO4 lasers with the prepared hybrid MXene membranes were realized at 1 and 1.3 mu m, respectively, producing the stable Q-switching pulse train with a shortest duration of 130 ns. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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