Enhanced optical limiting in derivatized fullerenes

被引：85
|
作者：
Smilowitz, L [1 ]
McBranch, D [1 ]
Klimov, V [1 ]
Robinson, JM [1 ]
Koskelo, A [1 ]
Grigorova, M [1 ]
Mattes, BR [1 ]
Wang, H [1 ]
Wudl, F [1 ]
机构：
[1] UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106
来源：
OPTICS LETTERS | 1996年 / 21卷 / 13期
关键词：
D O I：
10.1364/OL.21.000922
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have observed enhanced optical limiting behavior in solutions of a derivatized fullerene (phenyl-C-61-butyric acid cholesteryl ester) from 532 to 700 nm. Transient absorption measurements determined the spectral and temporal regions of interest for optical limiting in C-60 and in C-60 derivatives that are due to a reverse saturable absorption mechanism and predicted enhanced limiting at longer wavelengths. Intensity-dependent transmission measurements made at several wavelengths confirmed these results. The increased solubility and the broadened ground-state absorption of the functionalized C-60 make it suitable for use as an optical limiter in the red and the near infrared. (C) 1996 Optical Society of America.
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页码：922 / 924
页数：3
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