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Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

Physics; Applied

Abstract

Both experiment and numerical calculation were performed to study the nonlinear optical (NLO) effects in ferrofluids consisting of magnetic particles suspended in an organic solvent. We show that, in contrast to all the mechanisms responsible for NLO phenomena known so far, the novel NLO effects in ferrofluids in the zero applied field can be explained by the cross coupling between the temperature of the system and the concentration of particles through thermophoresis, which in turn leads to the spatial distribution of the refractive index. This NLO effect is enhanced by applying a moderate magnetic field whose mechanism is unclear so far.

Journal Title

Applied Physics Letters

Volume

72

Issue/Number

3

Publication Date

1-1-1998

Document Type

Article

Language

English

First Page

272

Last Page

274

WOS Identifier

WOS:000071558100002

ISSN

0003-6951

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