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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 19 — Oct. 1, 1999
  • pp: 1373–1375

Femtosecond cubic optical nonlinearity of thin nickel films

P. J. Bennett, V. Albanis, Yu.P. Svirko, and N. I. Zheludev  »View Author Affiliations


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

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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