ELECTRIC-FIELD EFFECTS ON PERSISTENT SPECTRAL HOLES - PERYLENE IN THE POLAR POLYMER POLYVINYLBUTYRAL

被引:15
作者
KANAAN, Y
ATTENBERGER, T
BOGNER, U
MAIER, M
机构
[1] Naturwissenschaftliche Fakultät II, Physik, Universität Regensburg, Regensburg
来源
APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY | 1990年 / 51卷 / 05期
关键词
61.40.-a; 78.50.-w;
D O I
10.1007/BF00348970
中图分类号
O59 [应用物理学];
学科分类号
摘要
We investigated the effects of an electric field on a spectral hole burned in the inhomogeneously broadened S0-S1 transition of perylene in different samples of the polar polymer polyvinylbutyral (PVB) and in cellulose nitrate. The spectral hole is broadened and reduced in depth by the electric field. It was checked experimentally for perylene in PVB that the hole area remains constant when an electric field is applied. We determined the effective matrix-induced electric dipole moment differences δμ* for perylene in different PVB samples and in cellulose nitrate. Within experimental accuracy the value of δμ* is approximately independent of the composition of PVB and its water content. For perylene in cellulose nitrate the value of δμ* is larger by a factor of 1.5 than in PVB. The results are discussed on the basis of a simple model for the electric field effect. © 1990 Springer-Verlag.
引用
收藏
页码:336 / 341
页数:6
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