2-PHOTON ABSORPTION OF POWERFUL FEMTOSECOND PULSES IN C-60 FILM

被引：24

作者：

BEZEL, IV

CHEKALIN, SV

MATVEETS, YA

STEPANOV, AG

YARTSEV, AP

LETOKHOV, VS

机构：

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 218卷 / 5-6期

关键词：

D O I：

10.1016/0009-2614(94)00045-X

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：

Irradiance-dependent transmission measurements were conducted for thin C60 film irradiated by 300 fs laser pulse at 612 nm in the intensity range from 10(8) W/cm2 to the values almost-equal-to 10(12) W/cm2 corresponding to the film damage. The upper limit for the two-photon absorption coefficient was derived from these measurements as (3+/-1.5) X 10(-8) cm/W, which corresponds to an Im(chi)(3) value of (2.6+/-1.3) X 10(-11) esu.

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页码：475 / 478

页数：4

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