Photoselection of impurity molecules in amorphous media over the zero-phonon linewidth

被引:2
|
作者
Svishchev, GM [1 ]
机构
[1] Moscow State Pedag Univ, Moscow 119882, Russia
关键词
D O I
10.1134/1.1397842
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The shape of a multiwell hole, which is produced upon burning a number of closely spaced equidistant spectral holes in the low-temperature absorption spectrum of an impurity amorphous solid, is studied. When the bottom of such a hole is probed by the wavelength-modulated light, the transmission and luminescence of the sample become modulated. This modulation is caused by a subsystem of impurity molecules, which differs from a total ensemble by a smaller scatter in the zero-phonon linewidth and a smaller (by a factor of 2-3) mean value of this width. The study of the photophysical parameters of this subsystem can yield useful information for simulating the nanostructure of an amorphous body. (C) 2001 MAIK "Nauka/Interperiodica".
引用
收藏
页码:219 / 223
页数:5
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