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We investigated the effects of crystal field changes on Nd3+-ions caused due to co-doping with increasing TiO2 content. Optical absorption, photoluminescence, micro-Raman, mass density, refractive index, and radiative lifetime calcuations were performed. This system was synthesized by the fusion method, and the physical properties of the as-synthesized material were investigated. Dantas, Noelio O.īayesian inference was used as a new approach to calculate of rare earth (RE) ion spectroscopic parameters within the Judd-Ofelt theory using the Li2O-B2O3-Al2O3 glass system doped with Nd2O3 and TiO2. Judd-Ofelt Parameters via Bayesian Inference

The changes of Judd-Ofelt parameters result from the introduction of the second ligand phenathroline or the substitution of electron-drawing group CF(3) in beta-diketone for erbium chelates. It is found that larger Omega(6) value for erbium chelate is and larger photoluminescence intensity at 1.54 microm is, and Omega(2) value should contribute to the photoluminescence full width at half maximum (FWHM) at 1.54 microm.

The qualitative correlation of Judd-Ofelt parameters with photoluminescence properties for erbium chelates is also discussed. Photoluminescence characteristics of erbium chelates are investigated upon excitation at 488 nm by an Ar(+) laser.

Judd-Ofelt parameters of erbium chelates are determined by a least square fitting and dealt with the chemical structure of erbium chelates. Judd-Ofelt theory is employed on basis of the UV-Vis-NIR absorption spectra of erbium chelates dissolved in methanol. Wang, Huaishan Qian, Guodong Wang, Zhiyu Wang, MinquanĮrbium chelates including tris(acetylacetonato) erbium(III) monohydrate, tris(acetylacetonato)(1,10-phenanthroline) erbium(III) and tris(trifluoroacetylacetonato)(1,10-phenanthroline) erbium(III) are synthesized. Spectroscopic properties and Judd-Ofelt theory analysis of erbium chelates.

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