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What factors influence the fluorescence properties of glasses for Raman spectroscopy? 


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The fluorescence properties of glasses for Raman spectroscopy are influenced by various factors. The composition of the glass, including the presence of elements like aluminum and magnesium, plays a crucial role in determining the fluorescence characteristics. Additionally, the network modifiers in the glass, such as Mg2+ and Zn2+, impact the fluorescence lifetimes and the symmetry of the local coordination environment of ions like Dy3+ within the glass network. Impurities in the raw materials used for glass production can also affect the fluorescence levels, leading to fluctuations in fluorescence from batch to batch. Understanding these factors is essential for optimizing the design of glassware for Raman spectroscopy to achieve a good signal-to-noise ratio and minimize interference from fluorescence during measurements.

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The fluorescence properties of glasses for Raman spectroscopy are influenced by the ionic field strength of network modifiers, impacting emission lifetimes and yellow to blue intensity ratios.
The presence of magnesium in silicate glasses influences Raman spectra by introducing new Q n units, affecting polymerization, and preferentially charge-balancing Q 2 species over Q 3 species.
The network structure, Al/Si mixing, and cation field strength influence the fluorescence properties of glasses for Raman spectroscopy in multicomponent aluminosilicate systems.
Fluorescence properties in glasses for Raman spectroscopy are influenced by impurities in the glass material, raw material purity, and non-radiative decay processes due to glass composition.
Patent
10 Aug 2017
1 Citations
The fluorescence properties of glasses for Raman spectroscopy are influenced by the ratio of maximum to minimum fluorescence intensity when excited with 785 nm light, aiming for a ratio of 4 or less.

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