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Conferences > ICOL > 1984 > WD > WD3

Pressure Effects of Fluorescent R-Lines of Chrysoberyl BeAl2O4:Cr3+

W. Jia, Y. Shang, R. Tang, and Zh. Yao

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Abstract

The behavior of fluorescent R-lines of chrysoberyl BeAl2O4:Cr3+(0.1%atm) has been investigated under hydrostatic pressures upto 68 kbar at room temperature. It was found that R1 and R2 lines were linearly shifted to the red, in contrast to the ruby system, with different rates of 0.62 and 0.71 cm–1/kbar respectively, as a result, R1 and R2 lines gradually approach to each other with pressure. The line width s of R1 and R2 were narrowed, and the lifetimes were lengthened from 0.5 ms (R1, R2) at normal pressure to 3.5 ms (R1) and 3.0 ms (R2) at 68 kbar. Time resolution spectra of the fluorescent band have been measured. It was found that the background of fluorescent phonon band was blue shifted and was suppressed with pressure.

© 1984 Optical Society of America

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