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Materials 2017, 10(4), 354; doi:10.3390/ma10040354

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

1
School of Information and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
2
Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
3
Key Laboratory for Microstructural Functional Materials of Jiangxi Province, College of Science, Jiujiang University, Jiujiang 332005, China
4
School of Physics and Optoelectronics, Xiangtan University, Xiangtan 411105, China
5
Key Laboratory for Micro-/Nano-Optoelectronic Devices of Ministry of Education, College of Computer Science and Electronic Engineering, Hunan University, Changsha 410082, China
*
Author to whom correspondence should be addressed.
Academic Editor: Alessandro Salandrino
Received: 25 January 2017 / Revised: 19 March 2017 / Accepted: 25 March 2017 / Published: 28 March 2017
(This article belongs to the Special Issue Nonlinear Optical Material)
View Full-Text   |   Download PDF [7247 KB, uploaded 28 March 2017]   |  

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. View Full-Text
Keywords: graphene oxide; spatial light modulation; plasma channels graphene oxide; spatial light modulation; plasma channels
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Tan, C.; Wu, X.; Wang, Q.; Tang, P.; Shi, X.; Zhan, S.; Xi, Z.; Fu, X. Graphene Oxide: A Perfect Material for Spatial Light Modulation Based on Plasma Channels. Materials 2017, 10, 354.

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