Ukrainian Journal of Physical Optics 


Number  2, Volume 3,  2002

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The Luminescence of the Praseodymium - doped  Strontium Borate Sr4B14O25:Pr3+ 
1Kudrjavtcev D.P., 1Oseledchik Yu. S., 1Prosvirnin A.L., 1Svitanko N.V., 2Petrov V.V.

1The Zaporozhye State Engineering Academy, prospect Lenina 226, 69006 Zaporozhye, Ukraine
2The Institute of Laser Physics, Siberian branch of Russian Academy of Sciences, 630090, Russia, Novosibirsk, ak. Lavrent'eva street 13.

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The absorption and the luminescence spectra of the new Pr - doped strontium borate Sr4B14O25:Pr3+ crystals were  measured. The  Sr4B14O25:Pr3+ crystal sample 5*5*9,6 mm3 in size was used for investigation. It was found that the short - wave transparency edge of Sr4B14O25:Pr3+ is 227 nm. The longwave absorption edge of spectra corresponds to 3200 nm The luminescence spectra of the Sr4B14O25:Pr3+ crystal simples were measured by a laser and lamp pump. A strong luminescence line was detected in the orange spectral range l = 595 nm (1D2 ? 3H4 transition). The polarizing dependence of  the  luminescence intensity out was determined.

Keywords: luminescence, strontium borate, praseodymium-ion.

PACS: 78.55.-m

doi 10.3116/16091833/3/2/155/2002

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