Abstract
The Nd3+ doped strontium hexa-aluminates crystals Sr1–xNdyLax–yMgxAl12–xO19– ASL are interesting for 4F3/2→4I9/2 laser emission in 900 nm range. To improve the laser emission characteristics, a detailed correlation between spectral characteristics and composition is necessary. The results of spectral investigation of Nd3+ in ASL on an extended composition range are presented. Spectral characteristics of three types of nonequivalent Nd3+ centers, optimal compositions for dominance of every center and the cationic distribution types are analyzed.
© 2005 Optical Society of America
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