Additive coloring rate and intensity for pure and doped fluorite crystals

Optics and Spectroscopy - Tập 110 - Trang 617-623 - 2011
A. S. Shcheulin1, T. S. Semenova1, L. F. Koryakina1, M. A. Petrova1, A. E. Angervaks1, A. I. Ryskin1
1St. Petersburg State University of Information Technologies, Mechanics, and Optics, St. Petersburg, Russia

Tóm tắt

The mechanism of the additive coloring of calcium fluoride crystals, both pure and doped with I- and III-group elements, has been investigated. The coloring rate and intensity and the dependences of these parameters on the experimental conditions, vapor mixture pressure, and temperature have been experimentally determined. It is shown that the concentration of anion vacancies/electrons that can be introduced into crystals is in the range of 1017–1018 cm−3; in crystals with a high concentration of rare earth ions, the limiting concentration can be an order of magnitude higher.

Tài liệu tham khảo

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Optics and Spectroscopy

Tập 110

617-623

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