Journal
OPTICAL MATERIALS EXPRESS
Volume 4, Issue 6, Pages 1104-1111Publisher
OPTICAL SOC AMER
DOI: 10.1364/OME.4.001104
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Funding
- Science and Technology Plan Major Projects of Fujian Province [2012H0048]
- National Nature Science Foundation of China [50902129, 61078076, 91122033, 11304313]
- Knowledge Innovation Program of Chinese Academy of Sciences [KJCX2-EW-H03]
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In this work, we report on the spectroscopic properties of Dy3+ doped YAlO3 crystal grown by Czochralski technique. The Judd-Ofelt theory was performed based on the measured polarized absorption spectra. Under optical pumping at 1300 nm, Dy:YAP crystal exhibited a broad MIR emission centered at 3020 nm, with a bandwidth of 520 nm at full width half maximum. The decay lifetime of the H-6(13/2) level was measured to be 8.88 ms, and the corresponding quantum efficiency evaluated was 57.9%. The studied optical gain properties indicate that Dy:YAlO3 crystal could be a potential candidate for solid-state mid-infrared laser applications. (C) 2014 Optical Society of America
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