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Proceedings Paper

Ultraviolet laser-induced single- and two-quantum photochemistry of oxygen-deficient centers in silica glasses
Author(s): Victor N. Bagratashvili; Alexey O. Rybaltovski; Yaroslav O. Simanovsky; Svetlana I. Tsypina
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Paper Abstract

The mechanisms of UV induced decomposition of oxygen-deficient centers (ODC) in silica glass has been experimentally studied. It is shown that high intensity irradiation of silica glass results in the two-step decomposition of ODC and formation of paramagnetic E' centers. At the same time at low UV irradiation intensity (laser, mercury lamp) the single quantum reaction of ODC with gas-phase impurities in the net of silica is the dominant process of ODC photoreaction.

Paper Details

Date Published: 24 June 1993
PDF: 12 pages
Proc. SPIE 1856, Laser Radiation Photophysics, (24 June 1993); doi: 10.1117/12.147603
Show Author Affiliations
Victor N. Bagratashvili, Laser Chemical Research Ctr. of World Lab. Branch (Russia)
Alexey O. Rybaltovski, Laser Chemical Research Ctr. of World Lab. Branch (Russia)
Yaroslav O. Simanovsky, Laser Chemical Research Ctr. of World Lab. Branch (Russia)
Svetlana I. Tsypina, Laser Chemical Research Ctr. of World Lab. Branch (Russia)


Published in SPIE Proceedings Vol. 1856:
Laser Radiation Photophysics
Bodil Braren; Mikhail N. Libenson, Editor(s)

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