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Subpicosecond time response of third-order optical nonlinearity of small copper particles in glass
Abstract
Femtosecond pump-probe experiments with a time resolution of 100 fs have been performed for copper particles with a radius of 4 nm. Differential absorption spectra for a pump centered at 2.05 eV indicates the broadening of the absorption band due to the surface plasmon. The nonlinear response time derived from the recovery time of the nonlinear absorption is dependent on the pumping laser fluences, and is as short as 0.7 ps for 210 μJ/cm2. The relaxation dynamics of nonequilibrium electrons can be described by the usual electron-phonon coupling model.
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Cited by
Chemistry and Properties of Nanocrystals of Different Shapes
Burda, C., Chen, X., Narayanan, R., & El-Sayed, M. A. (2005) · Chemical Reviews · doi:10.1021/cr030063a · Cited by 7,230
Optical Studies of Dynamics in Noble Metal Nanostructures
Hartland, G. V. (2011) · Chemical Reviews · doi:10.1021/cr1002547 · Cited by 1,526
Optical Properties and Ultrafast Dynamics of Metallic Nanocrystals
Link, S., & El-Sayed, M. A. (2003) · Annual Review of Physical Chemistry · doi:10.1146/annurev.physchem.54.011002.103759 · Cited by 1,444
Ultrafast Electron Dynamics and Optical Nonlinearities in Metal Nanoparticles
Voisin, C., Del Fatti, N., Christofilos, D., & Vallée, F. (2001) · The Journal of Physical Chemistry B · doi:10.1021/jp0038153 · Cited by 717
Link, S., Burda, C., Wang, Z. L., & El-Sayed, M. A. (1999) · The Journal of Chemical Physics · doi:10.1063/1.479310 · Cited by 372
Metadata
- Authors
- Tokizaki, T., Nakamura, A., Kaneko, S., Uchida, K., Omi, S., Tanji, H., & Asahara, Y.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 1994-08-22
- Volume
- 65
- Issue
- 8
- Pages
- 941-943
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2017693717
- Cited by
- 180
- References
- 0
- FWCI
- 4.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tokizaki, T., Nakamura, A., Kaneko, S., Uchida, K., Omi, S., Tanji, H., & Asahara, Y. (1994). Subpicosecond time response of third-order optical nonlinearity of small copper particles in glass. Applied Physics Letters. https://doi.org/10.1063/1.112155
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