TIME-RESOLVED DEGENERATE 4-WAVE-MIXING IN THIN-FILMS OF C-60 AND C-70 USING FEMTOSECOND OPTICAL PULSES

被引：76

作者：

ROSKER, MJ

MARCY, HO

CHANG, TY

KHOURY, JT

HANSEN, K

WHETTEN, RL

机构：

[1] UNIV CALIF LOS ANGELES,DEPT CHEM & BIOCHEM,LOS ANGELES,CA 90024

[2] NIELS BOHR INST,DK-4000 ROSKILDE,DENMARK

来源：

CHEMICAL PHYSICS LETTERS | 1992年 / 196卷 / 05期

关键词：

D O I：

10.1016/0009-2614(92)85715-M

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Thin films of pure C60 and C70 have been studied by time-resolved degenerate four-wave mixing using femtosecond optical pulses with a wavelength of 633 nm. Large optical nonlinearities were measured for both materials, with chi-(3) values almost-equal-to 10(-10) esu. The degenerate four-wave mixing signal was monitored as a function of the relative arrival times for the excitation pulses. Along with a long-lived (almost-equal-to 100 ps) component to the four-wave mixing decay, response dynamics occurring on both femtosecond and picosecond time scales were observed for both materials.

引用

页码：427 / 432

页数：6

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