Broad, flat fluorescence emissions from nanostructured rare-earth doped silicates

Christopher D. Haines; Varadh Ranganathan; Susan B. Halpern; Bernard H. Kear; Lisa C. Klein; George H. Sigel Jr.; Nan Yao

doi:10.1117/12.545915

15 September 2004 Broad, flat fluorescence emissions from nanostructured rare-earth doped silicates

Christopher D. Haines, Varadh Ranganathan, Susan B. Halpern, Bernard H. Kear, Lisa C. Klein, George H. Sigel Jr., Nan Yao

Author Affiliations +

Proceedings Volume 5450, Photonic Crystal Materials and Nanostructures; (2004) https://doi.org/10.1117/12.545915
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We have synthesized nanostructured rare-earth doped silicates by two different methods: combustion flame - chemical vapor condensation (CF-CVC) and sol-gel processing. Substantial rare-earth concentrations (~ 8 wt. %) were achieved with no signs of concentration quenching. We have observed unprecedented spectrally broad/flat fluorescence emissions at 1.55 μm from the Er³⁺-doped materials, which we attribute to their unique nanostructures developed during heat treatments. In depth results of a combined XRD/TEM study monitoring the evolution of the nanostructure will be presented. The role of processing conditions, chemistry, and particle size will also be discussed.

Citation Download Citation

Christopher D. Haines, Varadh Ranganathan, Susan B. Halpern, Bernard H. Kear, Lisa C. Klein, George H. Sigel Jr., and Nan Yao "Broad, flat fluorescence emissions from nanostructured rare-earth doped silicates", Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); https://doi.org/10.1117/12.545915

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