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Chin. Opt. Lett.
 Home  List of Issues    Issue 01 , Vol. 08 , 2010    10.3788/COL20100801.0078


2 \mu m emission performance of Tm3+-Ho3+ co-doped tellurite glasses
Meng Wang1;2, Guonian Wang1, Lixia Yi1;2, Shunguang Li1, Lili Hu1, Junjie Zhang1
1 Key Laboratory of Material Science and Technology for High Power Lasers, [Shanghai Institute of Optics and Fine Mechanics], Chinese Academy of Sciences, Shanghai 201800, China
2 [Graduate School of Chinese Academy of Sciences], Beijing 100049, China

Chin. Opt. Lett., 2010, 08(01): pp.78-81-4

DOI:10.3788/COL20100801.0078
Topic:Materials
Keywords(OCIS Code): 160.5690  160.4670  300.6280  160.2750  

Abstract
The emission properties of 2 \mu m region fluorescence of Tm<sup><sup>3+</sup></sup>-Ho<sup><sup>3+</sup></sup> co-doped tellurite glasses are investigated. Introducing F<sup>-</sup> ions to the composition of tellurite glasses plays a positive effect on the 2 \mu m emission. A maximum intensity of 2 \mu m emission is achieved when 1.5-mol% Tm<sub>2</sub>O<sub>3</sub> and 1-mol% Ho<sub>2</sub>O<sub>3</sub> concentration are doped in the glasses. The emission cross section and gain coefficient of the <sup>5</sup>I<sub>8</sub>-<sup>5</sup>I<sub>7</sub> transition of Ho<sup><sup>3+</sup></sup> are calculated. The emission cross section has a maximum of 1.29×10<sup>-20</sup> cm<sup>2</sup> at 2048 nm wavelength. The results indicate that Tm<sup><sup>3+</sup></sup>-Ho<sup><sup>3+</sup></sup> co-doped tellurite glasses are suitable for 2 \mu m application.

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Received:2009/3/30
Accepted:
Posted online:

Get Citation: Meng Wang, Guonian Wang, Lixia Yi, Shunguang Li, Lili Hu, Junjie Zhang, "2 \mu m emission performance of Tm3+-Ho3+ co-doped tellurite glasses," Chin. Opt. Lett. 08(01), 78-81-4(2010)

Note: This work was supported by the National "863" Program of China (No. 2007AA03Z441) and the National Natural Science Foundation of China (Nos. 60607014 and 50572110).



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