Continuous-wave and chemical vapor deposition graphene-based passively Q-switched Er:Y2O3 ceramic lasers at 2.7 mu m

Guan Xiaofeng; Zhan Linjie; Zhu Zhenwei; Xu Bin; Xu Huiying; Cai Zhiping; Cai Weiwei; Xu Xiaodong; Zhang Jian; Xu Jun

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Continuous-wave and chemical vapor deposition graphene-based passively Q-switched Er:Y2O3 ceramic lasers at 2.7 mu m

机译：连续波和化学气相沉积石墨烯基被动Q开关ER：Y2O3陶瓷激光器在2.7亩

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We report on 976-nm diode-pumped Er:Y2O3 ceramic lasers in continuous-wave and passively Q-switched regimes. The maximum output power of continuous-wave laser operation is about 0.78 W with slope efficiency of about 11.8% at 2.7 mu m. Passively Q-switched Er: Y2O3 ceramic laser operation with chemical vapor deposition (CVD) graphene as the saturable absorber is also demonstrated for the first time, to our knowledge. Using a monolayer CVD graphene, the achieved shortest pulse width is about 408 ns, while the shortest pulse width reduces to about 296 ns with pulse energy of 2.59 mu J and peak power of 8.77 W by using a three-layer CVD graphene. The results reveal that graphene is a very promising saturable absorber operating in the middle infrared spectral region. (C) 2018 Optical Society of America

机译：我们在连续波和被动Q开关的制度中报道了976-NM二极管泵浦ER：Y2O3陶瓷激光器。连续波激光操作的最大输出功率约为0.78W，坡度效率为2.7亩。被动Q开关ER：Y2O3与化学气相沉积（CVD）石墨烯的Y2O3陶瓷激光操作也首次证明了我们的知识。使用单层CVD石墨烯，实现的最短脉冲宽度约为408ns，而使用三层CVD石墨烯，最短脉冲宽度降低至约296ns。结果表明，石墨烯是在中间红外光谱区域中操作的非常有前途的可饱和吸收体。（c）2018年光学学会

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《Applied optics》 |2018年第3期|共6页
作者
Guan Xiaofeng; Zhan Linjie; Zhu Zhenwei; Xu Bin; Xu Huiying; Cai Zhiping; Cai Weiwei; Xu Xiaodong; Zhang Jian; Xu Jun;
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Xiamen Univ Dept Elect Engn Xiamen 361005 Peoples R China;

Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

Xiamen Univ Dept Elect Engn Xiamen 361005 Peoples R China;

Xiamen Univ Dept Elect Engn Xiamen 361005 Peoples R China;

Xiamen Univ Dept Elect Engn Xiamen 361005 Peoples R China;

Xiamen Univ Dept Phys State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Peoples R China;

Jiangsu Normal Univ Sch Phys &

Elect Engn Jiangsu Key Lab Adv Laser Mat &

Devices Xuzhou 221116 Peoples R China;

Chinese Acad Sci Key Lab Transparent Optofunct Inorgan Mat 588 Heshuo Rd Shanghai 201899 Peoples R China;

Tongji Univ Inst Adv Study Sch Phys Sci &

Engn Shanghai 200092 Peoples R China;

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Continuous-wave and chemical vapor deposition graphene-based passively Q-switched Er:Y2O3 ceramic lasers at 2.7 mu m

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