Femtosecond Optical Kerr Effect in the Gold Nanoparticle System

Femtosecond Optical Kerr Effect in the Gold Nanoparticle System

We observed an ultrashort response of the gold nanoparticle system that was as fast as 240 fs in a femtosecond optical-Kerr-shutter experiment. The ultrafast response is attributed to the self-diffraction of the pump pulse due to the transient grating. We estimated χ (3) of the gold nanoparticle sys...

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Veröffentlicht in:Japanese Journal of Applied Physics 1998-12, Vol.37 (12B), p.L1520
Hauptverfasser: Hideyuki Inouye, Hideyuki Inouye, Koichiro Tanaka, Koichiro Tanaka, Ichiro Tanahashi, Ichiro Tanahashi, Kazuyuki Hirao, Kazuyuki Hirao
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Sprache:eng
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Zusammenfassung:We observed an ultrashort response of the gold nanoparticle system that was as fast as 240 fs in a femtosecond optical-Kerr-shutter experiment. The ultrafast response is attributed to the self-diffraction of the pump pulse due to the transient grating. We estimated χ (3) of the gold nanoparticle system to be 2.0 ×10 -8  esu in the femtosecond region.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.37.L1520