氧化石墨烯：基于等离子体通道的空间光调制的理想材料。

Graphene Oxide: A Perfect Material for Spatial Light Modulation Based on Plasma Channels.

作者信息

Tan Chao, Wu Xinghua, Wang Qinkai, Tang Pinghua, Shi Xiaohui, Zhan Shiping, Xi Zaifang, Fu Xiquan

机构信息

School of Information and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China.

Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.

出版信息

Materials (Basel). 2017 Mar 28;10(4):354. doi: 10.3390/ma10040354.

DOI:10.3390/ma10040354

PMID:28772712

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5506915/

Abstract

The graphene oxide (GO) is successfully prepared from a purified natural graphite through a pressurized oxidation method. We experimentally demonstrate that GO as an optical media can be used for spatial light modulation based on plasma channels induced by femtosecond pulses. The modulated beam exhibits good propagation properties in free space. It is easy to realize the spatial modulation on the probe beam at a high concentration of GO dispersion solutions, high power and smaller pulse width of the pump beam. We also find that the spatial modulation on the probe beam can be conveniently adjusted through the power and pulse width of pump lasers, dispersion solution concentration.

摘要

通过加压氧化法成功地从纯化的天然石墨制备出氧化石墨烯（GO）。我们通过实验证明，GO作为一种光学介质可用于基于飞秒脉冲诱导的等离子体通道的空间光调制。调制后的光束在自由空间中表现出良好的传播特性。在高浓度的GO分散溶液、高功率和较小泵浦光束脉冲宽度的条件下，很容易实现对探测光束的空间调制。我们还发现，通过泵浦激光器的功率和脉冲宽度、分散溶液浓度，可以方便地调节对探测光束的空间调制。