COLOR EFFECTS IN PRESSURE-TUNED HOLE-BURNED SPECTRA

被引:51
作者
GRADL, G
ZOLLFRANK, J
BREINL, W
FRIEDRICH, J
机构
[1] Institut für Physikalische Chemie, Johannes Gutenberg-Universität Mainz, D-6500 Mainz
关键词
D O I
10.1063/1.460148
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
We applied hydrostatic pressure to spectral holes burned into a resorufin doped ethanol/methanol glass. We found that the line shift is perfectly linear with pressure and showed a pronounced dependence on the burn frequency as predicted by theory [J. Chem. Phys. 90, 3274 (1989)]. We exploited the burn frequency dependence to determine the solvent shift of the dye probe and the compressibility of the alcohol glass used. On the other hand, the behavior of the hole width under pressure shows features not predicted by theory: The broadening is, like the line shift, dependent on the burn frequency within the inhomogeneous band, yet in a nonlinear fashion. We attribute the color effect in the pressure induced broadening of the hole to a breakdown of the Gaussian approximation.
引用
收藏
页码:7619 / 7624
页数:6
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