Femtosecond cubic optical nonlinearity of thin nickel films
Optics Letters, Vol. 24, Issue 19, pp. 1373-1375 (1999)
http://dx.doi.org/10.1364/OL.24.001373
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Abstract
Transient pump–probe measurements of circular anisotropy in nickel films induced by 38-fs optical pulses show an instantaneous response that is related to the optical orientation of the spins of free electrons. Measurements in a sample of variable thickness, performed in both transmission and reflection, revealed that the surface significantly influences the degenerate cubic optical nonlinearity of the nickel films to a depth of approximately 4–5 nm into the bulk.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(160.3900) Materials : Metals
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
Citation
P. J. Bennett, V. Albanis, Yu.P. Svirko, and N. I. Zheludev, "Femtosecond cubic optical nonlinearity of thin nickel films," Opt. Lett. 24, 1373-1375 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-19-1373
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