1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber

材料科学技术（英文）, 2004, 20(6): 668-670.

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1.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

2.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

3.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

4.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

5.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

6.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

7.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

基金项目: Science and Technique Qimingxing Fund of Shanghai(04QMX1448) Project of Optical Science and Technology of Shanghai(022261046) 国家自然科学基金(60207006)

1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber

Keywords： Tellurite glass

1 wt pct Nd2O3-doped tellurite bulk glass and fiber with the same composition of 75TeO2-15ZnO-5Na2O-5Li2O (molfraction, %) were fabricated. Judd-Ofelt analysis was carried out for the bulk. The emission from the 4F3/2→4I13/2 transition in fiber is at 1.33 μm wavelength with a spectral bandwidth of 55 nm, which is similar to that in bulk. In the case of the fiber, the lifetime of 4F3/2 level is 164μs, and the quantum efficiency is ～100%. The figure-of-merit for gain (σoT0) for Nd3+-doped tellurite glass is about 2.8×10-24 cm2.s, which is quite comparable with that in Nd3+-doped fluoroaluminate glasses, and is an order of magnitude larger than pr3+-doped fluoride glasses.

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1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber

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