Ultrafast Cubic Optical nonlinearity in semitransparent films: bulk versus surface contributions
Ultrafast Cubic Optical nonlinearity in semitransparent films: bulk versus surface contributions
Summary form only given. We report the results of a study of semitransparent films of nickel of varying thickness using femtosecond time-resolved polarimetry. For the first time we have combined transmission and reflection measurements, and have studied glass and air interfaces of nickel films of different thicknesses. We have identified importance of the surface contribution to the film nonlinearity, and have also observed that not only the magnitude of the cubic nonlinearity in nickel, but even its sign could be different depending on the nature of the interface. We also saw that both bulk and surface components of the cubic optical nonlinearity in nickel films are exceptionally fast with relaxation times shorter than ~40 fs.
1-55752-576-X
213-214
Bennett, P.J.
e7be07a4-bbed-499c-b759-29391778474e
Svirko, Y.P.
ff9d5c74-0e2c-48eb-84ba-3800c29d9a67
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
1999
Bennett, P.J.
e7be07a4-bbed-499c-b759-29391778474e
Svirko, Y.P.
ff9d5c74-0e2c-48eb-84ba-3800c29d9a67
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Bennett, P.J., Svirko, Y.P. and Zheludev, N.I.
(1999)
Ultrafast Cubic Optical nonlinearity in semitransparent films: bulk versus surface contributions.
In Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference (QELS '99). Technical Digest.
IEEE.
.
(doi:10.1109/QELS.1999.807554).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Summary form only given. We report the results of a study of semitransparent films of nickel of varying thickness using femtosecond time-resolved polarimetry. For the first time we have combined transmission and reflection measurements, and have studied glass and air interfaces of nickel films of different thicknesses. We have identified importance of the surface contribution to the film nonlinearity, and have also observed that not only the magnitude of the cubic nonlinearity in nickel, but even its sign could be different depending on the nature of the interface. We also saw that both bulk and surface components of the cubic optical nonlinearity in nickel films are exceptionally fast with relaxation times shorter than ~40 fs.
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Published date: 1999
Venue - Dates:
Quantum Electronics and Laser Science Conference (QELS '99), Baltimore, City of, United States, 1999-05-23 - 1999-05-28
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Local EPrints ID: 76591
URI: http://eprints.soton.ac.uk/id/eprint/76591
ISBN: 1-55752-576-X
PURE UUID: 3bcd9999-266a-4cff-ab5c-529d5cc7003b
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:36
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Author:
P.J. Bennett
Author:
Y.P. Svirko
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