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Photoluminescence of an Yb3+/Al3+-codoped microstructured optical fibre |
Xia Chang-Ming(夏长明)a)b), Zhou Gui-Yao(周桂耀)a)b)†, Han Ying(韩颖)a),and Hou Lan-Tian(侯蓝田) a) |
a State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China; b School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China |
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Abstract An Yb3+/Al3+-codoped microstructured optical fibre is prepared based on photonic crystal fibre technology. The characteristic spectra of preforms and fibres are experimentally investigated. The results show that under a 971 nm excitation, besides the known infrared fluorescence luminescence around 1050 nm, a blue luminescence peak at 486 nm is obtained. Moreover, an unexpected emission peak at 730 nm is also observed. The photoluminescence mechanism of an Yb3+/Al3+-codoped microstructured optical fibre is discussed. The emission peak at 486 nm is attributed to the cooperative upconversion resulting from pairs of Yb3+ ions, and the emission peak around 730 nm is ascribed to the stimulated Raman scattering because of nonlinear effects of microstructured optical fibre. The Yb3+/Al3+-codoped microstructured optical fibre is promising for varieties of applications from laser printing and optical recording to cancer treatments, such as photodynamic therapy.
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Received: 07 March 2011
Revised: 18 April 2011
Accepted manuscript online:
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PACS:
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78.55.-m
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(Photoluminescence, properties and materials)
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42.81.-i
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(Fiber optics)
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73.61.Jc
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(Amorphous semiconductors; glasses)
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Fund: Project supported by the State Key Program of National Natural Science Foundation of China (Grant No. 60637010) and the
Major Basic Research Development Program of China (Grant No. 2010CB327604). |
Cite this article:
Xia Chang-Ming(夏长明), Zhou Gui-Yao(周桂耀), Han Ying(韩颖), and Hou Lan-Tian(侯蓝田) Photoluminescence of an Yb3+/Al3+-codoped microstructured optical fibre 2011 Chin. Phys. B 20 087802
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