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Vol. 25, issue 03, article # 1

Osipov V. V., Solomonov V. I., Sheetov V. A., Maksimov R. N., Lukyashin K. E., Orlov A. N. Ceramics with disordered crystal structure for lasers active media. // Optika Atmosfery i Okeana. 2012. V. 25. No. 03. P. 207-209 [in Russian].
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Abstract:

In present work the optical properties of the highly transparent ceramics for lasers active media with wide emission bandwidth are presented. Ceramics has been synthesized from 1 at.% Yb³⁺ : Y₂O₃ nanopowders to which isovalent Lu³⁺ and Sc³⁺ and heterovalent Zr⁴⁺ ions were added for disordering the crystal structure. The emission bandwidth of Yb³⁺ ion on the ₂F^5/2 →₂F^7/2 transition at a 50% level of the maximum luminescence intensity was 20-30 nm. Moreover, at a 25% level this bandwidth is covered by the bandwidth of the same transition but at lower ₂F^7/2 level and full bandwidth, at which it is more than 100 nm.

Keywords:

nanopowders, ceramics, disordered structure, luminescence, emission bandwidth