Zhao Yuanhao, Zong Mengyu, Zheng Jie, Zhang Zhen, Peng Qianqian, Jiang Shouzhen, Liu Jie, Liu Jingjing, Su Liangbi
Shandong Provincial Engineering and Technical Center of Light Manipulations and Shandong Provincial Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250358, China.
CAS Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Synthetic Single Crystal Research Center (SSCRC), Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China.
Nanomaterials (Basel). 2022 Jan 28;12(3):454. doi: 10.3390/nano12030454.
We demonstrated a passively Q-switched Er:CaSrF laser with indium tin oxide nanowire arrays as an optical modulator in the mid-infrared region. In the Q-switched regime, the maximum output power of 58 mW with a slope efficiency of 18.3% was acquired. Meanwhile, the minimum pulse duration and highest repetition rate of the stable pulse trains were 490 ns and 17.09 kHz, corresponding to single pulse energy of 3.4 μJ and peak power of 6.93 W, respectively. To the best of our knowledge it was the first time that indium tin oxide nanowire arrays were employed as a saturable absorber to make pulse lasers carried out at 2.8 μm. The experimental data show that indium tin oxide nanowire arrays can be employed as a competitive candidate for saturable absorber in the field of mid-infrared solid-state lasers.
我们展示了一种被动调Q的铒钙锶氟激光器，其以氧化铟锡纳米线阵列作为中红外区域的光调制器。在调Q模式下，获得了最大输出功率58 mW，斜率效率为18.3%。同时，稳定脉冲序列的最小脉冲持续时间和最高重复率分别为490 ns和17.09 kHz，对应的单脉冲能量为3.4 μJ，峰值功率为6.93 W。据我们所知，这是首次将氧化铟锡纳米线阵列用作可饱和吸收体来实现2.8 μm的脉冲激光器。实验数据表明，氧化铟锡纳米线阵列可作为中红外固态激光器领域中可饱和吸收体的有竞争力的候选材料。
