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- Title
Preparation and femtosecond non-linear optical properties of Ag/SiO[sub 2] composite thin films.
- Authors
Tanahashi, Ichiro; Inouye, Hideyuki; Mito, Akihiro
- Abstract
Ag nanoparticles embedded in SiO2 thin films (Ag/SiO2 films) were prepared by a multitarget sputtering method. In the Optical absorption spectra of the Ag/SiO2 films, the absorption peak due to the surface plasmon resonance (SPR) of Ag particle was clearly observed at the wavelength of 394-413 nm. The imaginary part of the third-order non-linear susceptibility, Im[x(3)], of the Ag/SiO2 film was estimated to be -1.1 x 10-8 esu measured by the femtosecond Z-scan technique near the SPR peak. The response time of the film measured from the decay of the differential transmission of the pump-probe experiment was 1.3 ps at the SPR peak.
- Subjects
SILICON oxide; THICK films; SPUTTERING (Physics); SURFACE plasmon resonance; SPECTRUM analysis; ABSORPTION spectra
- Publication
Research on Chemical Intermediates, 2003, Vol 29, Issue 7-9, p939
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1163/156856703322601924