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Cubic optical nonlinearities of metals in the vicinity of the melting point

Cubic optical nonlinearities of metals in the vicinity of the melting point
Cubic optical nonlinearities of metals in the vicinity of the melting point
We report the first study of frequency degenerate cubic optical nonlinearities in bulk metals across the melting point. Using pump-probe reflectivity and precise pump-probe polarimetry a strong femtosecond electronic nonlinearity (χ(3) ~ 10-8 esu) has been observed in indium. The effective nonlinearity sharply increases when the temperature approaches the melting point. We also report the results of a study on the nonlinearity of nickel films and discuss the effect of an interface with glass on the magnitude and sign of the nonlinearity.
0950-0340
1009-1018
Bennett, P.J.
e7be07a4-bbed-499c-b759-29391778474e
Dhanjal, S.
a3f4fa8d-654f-4162-bd38-67c9b2d2f136
Svirko, Y.P.
ff9d5c74-0e2c-48eb-84ba-3800c29d9a67
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Bennett, P.J.
e7be07a4-bbed-499c-b759-29391778474e
Dhanjal, S.
a3f4fa8d-654f-4162-bd38-67c9b2d2f136
Svirko, Y.P.
ff9d5c74-0e2c-48eb-84ba-3800c29d9a67
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Bennett, P.J., Dhanjal, S., Svirko, Y.P. and Zheludev, N.I. (1998) Cubic optical nonlinearities of metals in the vicinity of the melting point. Journal of Modern Optics, 45 (5), 1009-1018. (doi:10.1080/09500349808230893).

Record type: Article

Abstract

We report the first study of frequency degenerate cubic optical nonlinearities in bulk metals across the melting point. Using pump-probe reflectivity and precise pump-probe polarimetry a strong femtosecond electronic nonlinearity (χ(3) ~ 10-8 esu) has been observed in indium. The effective nonlinearity sharply increases when the temperature approaches the melting point. We also report the results of a study on the nonlinearity of nickel films and discuss the effect of an interface with glass on the magnitude and sign of the nonlinearity.

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Published date: May 1998

Identifiers

Local EPrints ID: 78187
URI: https://eprints.soton.ac.uk/id/eprint/78187
ISSN: 0950-0340
PURE UUID: 0db37725-3601-46bb-aa4b-c61d1f8da3fe
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 11 Mar 2010
Last modified: 20 Jul 2019 01:22

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