期刊
CHINESE OPTICS LETTERS
卷 10, 期 9, 页码 -出版社
CHINESE LASER PRESS
DOI: 10.3788/COL201210.091602
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资金
- National Natural Science Foundation of China [51172254, 60990311]
- Special Funds for Major State Basic Research Project of China [2011CB301900]
- Science and Technology Commission of Shanghai Municipality [10JC1415700]
A transparent and emitting ceramic of Y2O3 doped with 6% Tm3+ ions is fabricated by vacuum sintering with ZrO2. Absorption, photoluminescence (PL), and PL excitation (PLE) spectra are investigated in a spectral range of 200 to 2 100 nm at various temperatures between 296 and 12 K. Intense emission band appears at 450 to 465 nm in the visible range. Near-infrared emission bands are observed at 1 200 to 1 300 nm and 1 400 to 1 550 nm, with intense peaks at 1 270, 1950, and 1 523 nm. The luminescence mechanisms and potential applications of the emissions are discussed with the help of Judd-Ofelt theory and PLE spectra.
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