SUBPICOSECOND INTERFEROMETRIC MEASUREMENT OF THE NONLINEAR REFRACTIVE-INDEX OF POLY(3-HEXYLTHIOPHENE)

被引:8
作者
HATTORI, T
OKAWA, H
WADA, T
SASABE, H
机构
[1] RIKEN, The Institute of Physical and Chemical Research, Wako, 351-01
[2] Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki
关键词
D O I
10.1364/OL.17.001560
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We measured the magnitude and the time response of the nonlinear refractive index (n2) of poly(3-hexylthiophene) by a femtosecond time-resolved interferometric technique. Decays of 320 fs and 3.0 ps were found. The n2 Value obtained was -6 X 10(-9) esu at 620 nm. Calculation of the dispersion of n2 showed that the negative value is consistent with that of a four-level model.
引用
收藏
页码:1560 / 1562
页数:3
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