Processing and characterization of core–clad tellurite glass preforms and fibers fabricated by rotational casting

Massera, Jonathan; Haldeman, Adam T.; Milanese, Daniel; Gebavi, Hrvoje; Ferraris, Monica; Foy, Paul; Hawkins, W. Lincoln; Ballato, John; Stolen, R. H.; Petit, Laëticia; Richardson, Kathleen

doi:10.1016/j.optmat.2009.12.003

Cited by 21 publications

(16 citation statements)

References 28 publications

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“…No significant changes in the thermal properties of the glass can be observed after drawing except for the slight decrease in T g . Whereas the ΔT value of the investigated glass is low compared to that of Barium Phosphate Glasses reported between 175 and 250°C [22] and to that of tellurite glasses reported at 178°C in [23], it is larger than 100°C confirming the reasonable thermal stability of this glass.…”

Section: Resultsmentioning

confidence: 46%

Super-luminescence and spectral hole burning effect in ultra-short length Er/Yb-doped phosphate fiber

Gumenyuk

Poudel

Jouan

et al. 2017

Opt. Mater. Express

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International audienceWe demonstrate super-broad luminescence over 70 nm of bandwidth and spectral hole-burning effect obtained in just a few cm of novel air-clad, highly concentrated Er/Yb-doped phosphate fiber. The fiber is drawn from preforms of glasses within the P2O5 - SrO - Na2O composition. The fabrication process, thermal, structural, and optical properties of the fiber are described. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreemen

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Section: Resultsmentioning

confidence: 46%

Super-luminescence and spectral hole burning effect in ultra-short length Er/Yb-doped phosphate fiber

Gumenyuk

Poudel

Jouan

et al. 2017

Opt. Mater. Express

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“…The accuracy of the temperatures obtained was estimated at ±3°C. The thermal processability window was calculated as Δ T = T x − T g , as done earlier in (Ahmed, Shaharuddin, Sharmin, Furniss, & Rudd, ; Brauer, Brückner, Tylkowski, & Hupa, ; Fagerlund & Hupa, ; Massera, Ahmed, Petit, Aallos, & Hupa, ; Massera et al, ).…”

Section: Methodsmentioning

confidence: 99%

“…The T x (onset of crystallization temperature) and the T p (crystallization temperature) were ascertained as the beginning and the maximum, respectively, of the exothermic peak. The accuracy of the temperatures obtained was estimated at ±3 C. The thermal processability window was calculated as ΔT = T x − T g , as done earlier in (Ahmed, Shaharuddin, Sharmin, Furniss, & Rudd, 2015;Brauer, Brückner, Tylkowski, & Hupa, 2016;Fagerlund & Hupa, 2016;Massera, Ahmed, Petit, Aallos, & Hupa, 2014;Massera et al, 2010).…”

Section: Thermal Propertiesmentioning

confidence: 99%

In‐vitro dissolution characteristics and human adipose stem cell response to novel borophosphate glasses

Mishra

Ojansivu

Autio

et al. 2019

J Biomedical Materials Res

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The main drawbacks of traditional silicate bioactive glasses are their narrow hot forming domain and noncongruent dissolution. In this article, we report on new borophosphate glasses [xMnOm + (100 − x) (47.5P2O5 + 2.5B2O3 + 10Na2O + 20CaO + 20SrO)], MnOm being CuO, Ag2O, and CeO2, having high thermal processability, hence suitable for fiber drawing and sintering into scaffolds. Furthermore, the glasses dissolve congruently in simulated body fluid (SBF) and TRIS buffer solution, eventually leading to the precipitation of a reactive layer. Human adipose stem cells (hASC) were cultured in media enriched with glass extract at different dilutions, to investigate the optimal ion concentration for cell survival. Cells grew in all the extracts, except in the undiluted Cu‐doped glass extract. At dilution 1:10, the lactate dehydrogenase (LDH) activity and cell proliferation were comparable to the control, while at 1:100, the cells proliferated faster than the control. Thus, the reference (undoped), Ag and Ce‐doped glasses were found to be suitable for cell viability and proliferation. Cytotoxicity assessments using the LDH assay indeed revealed the high cytotoxicity of the Cu extract. This raises questions about the use of Cu in bioactive glasses and its optimal concentration as a dopant.

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“…In our previous work, we found that by adding of Bi 2 O 3 , the multi-component TeO 2 -ZnO-Bi 2 O 3 (TZB) glass shows lower phonon energy, larger refractive index, and as a result of a better~2 μm emission [6]. More recently, Massera et al fabricated the core-clad TeO 2 -ZnO-Bi 2 O 3 fibers with the propagation loss of 2.1 dB/m at 1.5 μm [7], which indicates that the TZB glass could be a promising material for fiber lasers. In this work, a TeO 2 -ZnO-Bi 2 O 3 (TZB) glass is selected as a Tm 3+ /Yb 3+ codoping matrix, the Judd-Oflet parameters, spontaneous radiative probability, and radiative lifetime of Tm 3+ are calculated.…”

Section: Introductionmentioning

confidence: 98%

Spectroscopic properties of the 1.8μm emission of Tm3+/Yb3+ codoped TeO2–ZnO–Bi2O3 glasses with efficient energy transfer

Fan

Zhang

et al. 2011

Journal of Non-Crystalline Solids

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Processing and characterization of core–clad tellurite glass preforms and fibers fabricated by rotational casting

Cited by 21 publications

References 28 publications

Super-luminescence and spectral hole burning effect in ultra-short length Er/Yb-doped phosphate fiber

Super-luminescence and spectral hole burning effect in ultra-short length Er/Yb-doped phosphate fiber

In‐vitro dissolution characteristics and human adipose stem cell response to novel borophosphate glasses

Spectroscopic properties of the 1.8μm emission of Tm3+/Yb3+ codoped TeO2–ZnO–Bi2O3 glasses with efficient energy transfer

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