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  • Received: Nov. 23, 2019

    Accepted: Dec. 26, 2019

    Posted: Apr. 14, 2020

    Published Online: Apr. 15, 2020

    The Author Email: Zhengping Wang (zpwang@sdu.edu.cn), Xinguang Xu (xgxu@sdu.edu.cn)

    DOI: 10.3788/COL202018.041403

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    Tianhong Tang, Fang Zhang, Mengxia Wang, Zhengping Wang, Xinguang Xu. Two-dimensional tellurene nanosheets as saturable absorber of passively Q-switched Nd:YAG solid-state laser[J]. Chinese Optics Letters, 2020, 18(4): 041403

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Chinese Optics Letters, Vol. 18, Issue 4, 041403 (2020)

Two-dimensional tellurene nanosheets as saturable absorber of passively Q-switched Nd:YAG solid-state laser

Tianhong Tang1, Fang Zhang1, Mengxia Wang1, Zhengping Wang1,2,*, and Xinguang Xu1,2,**

Author Affiliations

  • 1State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
  • 2Key Laboratory of Functional Crystal Materials and Device (Shandong University), Ministry of Education, Jinan 250100, China

Abstract

For the first time, a group-VI single element nanomaterial was used as the optical saturable absorber (SA) to generate laser pulses. With two-dimensional (2D) tellurene as a passive Q-switch, 1.06 μm and 1.3 μm pulse laser operations were realized from a diode-pumped Nd:YAG crystal. The shortest pulse widths were 98 ns and 178 ns, and the highest peak powers were 2.68 W and 2.45 W, respectively. Our research determines that tellurene is an excellent SA material in the near-infrared region.

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