1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber

J Mater Sci Technol ›› 2004, Vol. 20 ›› Issue (06): 668-670.

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1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber

Shixun DAI, Junjie ZHANG, Shunguang LI, Jianhu YANG, Shiqing XU, Guonian WANG, Lili HU

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

Received:1900-01-01 Revised:1900-01-01 Online:2004-11-28 Published:2009-10-10
Contact: Shixun DAI

Abstract

Abstract: 1 wt pct Nd2O3-doped tellurite bulk glass and fiber with the same composition of 75TeO2-15ZnO-5Na2O-5Li2O (mol fraction, %) were fabricated. Judd-Ofelt analysis was carried out for the bulk. The emission from the 4F3/2→4I13/2 transition in fiber is at 1.33μm 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 (σpτ0) 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.

Key words: Tellurite glass, Glass fiber, Rare-earth ion, Judd-Ofelt theory

Shixun DAI, Junjie ZHANG, Shunguang LI, Jianhu YANG, Shiqing XU, Guonian WANG, Lili HU. 1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber[J]. J Mater Sci Technol, 2004, 20(06): 668-670.

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1.3 μm Emission from Nd3+-doped Tellurite Glass Fiber

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