Transformation of color centers during hologram recording in an additively colored CaF2 crystal

被引：0
|
作者：
A. S. Shcheulin
A. E. Angervaks
A. V. Veniaminov
V. V. Zakharov
A. I. Ryskin
机构：
[1] University ITMO,
来源：
Optics and Spectroscopy | 2014年 / 116卷
关键词：
Color Center; Diffraction Efficiency; Anionic Vacancy; Additive Coloring; Hologram Recording;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
When holograms are recorded on color centers in calcium fluoride crystals, these centers undergo spatial redistribution in the crystal bulk, which is accompanied by their transformation. The nature of this transformation has been investigated by optical spectroscopy and confocal scanning microscopy. It is shown that, under the recording conditions we used, the degree of center aggregation increases in both minima and maxima of the interference field in which the recording performed. The enhanced aggregation in field minima is caused by the increase in the concentration color centers, while the additional aggregation in maxima is determined by the specific conditions of hologram recording: the wavelength and power density of recording radiation and the crystal temperature.
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页码：379 / 383
页数：4
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