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首页> 外文期刊>Optics Letters >Few-layer TiSe2 as a saturable absorber for nanosecond pulse generation in 2.95 mu m bulk laser
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Few-layer TiSe2 as a saturable absorber for nanosecond pulse generation in 2.95 mu m bulk laser

机译：几层TISTE2作为2.95 mu M散装激光器中的纳秒脉冲产生的可饱和吸收器

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摘要

1T-phase titanium diselenide (1T-TiSe2), a model two-dimensional (2D) transition metal dichalcogenide, has attracted much attention due to its intriguing electrical and optical properties. In this work, a 1T-TiSe2-based high-quality large-area saturable absorber (SA) (1T-TiSe2-SA) was successfully fabricated with the liquid-phase exfoliation method. With the as-prepared 1T-TiSe2-SA, a stable, passively Q-switched laser operating at 2.95 mu m was first realized. Under an absorbed pump power of 3.35 W, the maximum average output power was 130 mW with a slope efficiency of 5%. A pulse width of 160.5 ns was obtained, which is the shortest among 3.0 mu m passively Q-switched lasers ever achieved with 2D materials as SAs, to the best of our knowledge. The results indicate that 1T-TiSe2 is a promising alternative as a nonlinear optical modulator for short-pulse laser generation near the 3.0 mu m mid-infrared region. (c) 2018 Optical Society of America
机译：1吨相钛（1T-TISE2），模型二维（2D）过渡金属二甲基化物，由于其有趣的电气和光学性能而引起了许多关注。 在这项工作中，用液相剥离法成功制造了一种基于1T-TISE2的高质量大面积可饱和吸收剂（SA）（1T-TISE2-SA）。 利用AS制备的1T-TISE2-SA，首先实现了在2.95亩m的稳定，被动Q开关激光器。 在3.35W的吸收泵功率下，最大平均输出功率为130兆瓦，斜率为5％。 获得了160.5ns的脉冲宽度，这是3.0 mu m的被动q切换激光器中最短，以2d材料为SAS实现，以至于我们的知识。 结果表明，1T-TISE2是用于3.0μm中红外区域附近的短脉冲激光发电的非线性光学调制器的承诺替代。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第14期|共4页
  • 作者

    Nie Hongkun; Sun Xiaoli; Zhang Baitao; Yan Bingzheng; Li Guoru; Wang Yiran; Liu Junting; Shi Bingnan; Liu Shande; He Jingliang;

  • 作者单位

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

    Shandong Univ Sci &

    Technol Coll Elect Commun &

    Phys Qingdao 266590 Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Shandong Peoples R China;

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  • 正文语种 eng
  • 中图分类 计量学;光学;
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