Nonlinear optical transmission in VOx nanotubes and VOx nanotube composites

被引：68

作者：

Xu, JF ^{[1
]}

Czerw, R

Webster, S

Carroll, DL

Ballato, J

Nesper, R

机构：

[1] Clemson Univ, Dept Phys & Astron, COMSET, Clemson, SC 29634 USA

[2] Clemson Univ, Sch Mat Sci & Engn, COMSET, Clemson, SC 29634 USA

[3] ETH Zentrum, CAB, Inorgan Chem Lab, CH-8092 Zurich, Switzerland

来源：

APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 09期

关键词：

D O I：

10.1063/1.1504641

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Optical-limiting behavior of vanadium oxide nanotubes is characterized for the visible and infrared spectral ranges using 8 ns pulses from a Nd:YAG laser with an f/40 optical system. Vanadium oxide nanotube dispersions were investigated in both water suspensions and embedded in solid polymethyl methacrylate films. In each case, these nanotubes exhibit strong optical-limiting at 532 nm (in comparison to carbon nanotubes); however, no nonlinear behavior is observed for 1064 nm. This suggests that a two photon or excited state absorption mechanism is responsible for the observed nonlinearity. (C) 2002 American Institute of Physics.

引用

页码：1711 / 1713

页数：3

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