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首页> 外文会议>Light manipulating organic materials and devices IV >Enhanced nonlinear optical limiting in TiS_2 dichalcogenide 2D Sheets
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Enhanced nonlinear optical limiting in TiS_2 dichalcogenide 2D Sheets

机译：TiS_2二卤化氢二维薄板中增强的非线性光学限制

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摘要

Two dimensional (2D) graphene and transition metal dichalcogenides are an emerging class of extremely interesting materials showing unique physical properties, such as large third-order optical nonlinearity, offering potential applications in optical limiting. Here we report the optical limiting properties of Titanium disufide (TiS_2), and Graphene sheets measured using open aperture and photo-acoustic z-scan techniques. Our best results were observed in TiS_2sheets, yielding an optical limiting of 77% at an irradiance of 0.713 GW/cm~2with 2PA and 3PA absorption coefficient to be 80cm/GW and 2000 cm~3/GW~2 respectively. Also, TiS_2 sheets show improved shelf life and stability upon irradiation with higher laser powers. This demonstrates the feasibility of using them as a potential candidate for optical limiting applications.
机译：二维（2D）石墨烯和过渡金属二卤化碳是一类新兴的非常有趣的材料，具有独特的物理特性，例如大的三阶光学非线性，可在光学限制方面提供潜在的应用。在这里，我们报告了使用开孔和光声z扫描技术测量的二硫化钛（TiS_2）和石墨烯片的光学极限性能。在TiS_2片中观察到了最好的结果，在0.713 GW / cm〜2的辐照度下产生了77％的光学极限，其中2PA和3PA的吸收系数分别为80cm / GW和2000 cm〜3 / GW〜2。而且，TiS_2片材在以更高的激光功率照射时显示出改善的保存期限和稳定性。这证明了将它们用作光学限制应用的潜在候选者的可行性。

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  • 来源
    《Light manipulating organic materials and devices IV》|2017年|103600A.1-103600A.15|共15页
  • 会议地点 San Diego(US)
  • 作者

    Jitesh Kumar; Sreekanth J.Varma; Yang Liu; Katherine Layne; Jingjie Wu; Chenglu Liang; Yusuke Nakanishi; Amir Aliyan; Wei Yang; Pulickel M. Ajayan; Jayan Thomas;

  • 作者单位

    NanoScience Technology Center, University of Central Florida, Orlando, FL-32826, USA,CREOL, The College of Optics and Photonics, University of Central Florida, Orlando,Florida,32816,USA;

    NanoScience Technology Center, University of Central Florida, Orlando, FL-32826, USA;

    Department of Materials Science and Nano Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States,College of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chengdu 610065, Sichuan, China;

    NanoScience Technology Center, University of Central Florida, Orlando, FL-32826, USA,CREOL, The College of Optics and Photonics, University of Central Florida, Orlando,Florida,32816,USA;

    Department of Materials Science and Nano Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States;

    Department of Materials Science and Nano Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States,College of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chengdu 610065, Sichuan, China;

    Department of Materials Science and Nano Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States;

    Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States;

    College of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chengdu 610065, Sichuan, China;

    Department of Materials Science and Nano Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States;

    NanoScience Technology Center, University of Central Florida, Orlando, FL-32826, USA,CREOL, The College of Optics and Photonics, University of Central Florida, Orlando,Florida,32816,USA,Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, USA;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Titanium disulphide; graphene; Molybdenum disulfide; optical z-scan; photo-acoustic z-scan; optical limiting;

    机译：二硫化钛;石墨烯二硫化钼；光学z扫描光声z扫描；光学限制;

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