Preparation and optical properties of neodymium-doped sol-gel glasses using trimethylphosphate as P2O5 precursor

B. Zhou; Qing Xiang; Yan Zhou; Yee Loy Lam; Chan Hin Kam

doi:10.1117/12.384333

2 May 2000 Preparation and optical properties of neodymium-doped sol-gel glasses using trimethylphosphate as P₂O₅ precursor

B. Zhou, Qing Xiang, Yan Zhou, Yee Loy Lam, Chan Hin Kam

Author Affiliations +

Proceedings Volume 3943, Sol-Gel Optics V; (2000) https://doi.org/10.1117/12.384333
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

The Nd³⁺ ions doped bulk glasses and thin films with the trimethylphosphate (TMP) as the precursor of P₂O₅ were prepared by the sol-gel technique. Their optical properties have been investigated. The Fourier Transform IR (FTIR) of Nd³⁺ doped SiO₂-TiO₂-P₂O₅ films have been measured to study the influence of P₂O₅ content in the removal of hydroxyl group. Fluorescence spectral results show stronger fluorescence intensity along with the narrowing of the emission bands due to the availability of the co-dopant P₂O₅ in the sol-gel glasses compared with those of aluminum co-doped glasses. Our experimental results show that up to 6wt percent of Nd₂O₃ could be incorporated into the P₂O₅-SiO₂ glass matrix without significant fluorescence quenching effect due to the usage of the TMP as a precursor. We have also found that the hydroxyl groups could easily be removed at lower temperatures, as we increase the P₂O₅ content. It indicates that the P₂O₅ co-doping has a great potentiality in reducing the process temperature.

Citation Download Citation

B. Zhou, Qing Xiang, Yan Zhou, Yee Loy Lam, and Chan Hin Kam "Preparation and optical properties of neodymium-doped sol-gel glasses using trimethylphosphate as P₂O₅ precursor", Proc. SPIE 3943, Sol-Gel Optics V, (2 May 2000); https://doi.org/10.1117/12.384333

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