某些氧化石墨烯和氟化石墨烯衍生物的非线性光学响应

N. Liaros, I. Orfanos, Ioannis Papadakis, S. Couris
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引用次数: 9

摘要

摘要利用35 ps、4 ns、532 nm激光激发的z扫描技术,研究了氧化石墨烯和氟化石墨烯两种石墨烯衍生物的非线性光学性质。两个导数在两种激励下都表现出明显的三阶非线性光学响应,在ns激励下非线性吸收相对较强,并掩盖了非线性折射的存在,而在ps激励下非线性吸收和折射同时存在。这两种非线性特性在光子学、光流体学、光电子学和纳米技术应用中都引起了极大的兴趣。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nonlinear optical response of some Graphene oxide and Graphene fluoride derivatives
Abstract The nonlinear optical properties of two graphene derivatives, graphene oxide and graphene fluoride, are investigated by means of the Z-scan technique employing 35 ps and 4 ns, visible (532 nm) laser excitation. Both derivatives were found to exhibit significant third-order nonlinear optical response at both excitation regimes, with the nonlinear absorption being relatively stronger and concealing the presence of nonlinear refraction under ns excitation, while ps excitation reveals the presence of both nonlinear absorption and refraction. Both nonlinear properties are of great interest for several photonics, opto-fluidics, opto-electronics and nanotechnology applications.
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