TeO2-ZnO-La2O3 tellurite glass system investigation for mid-infrared robust optical fibers manufacturing

Maldonado, Anthony; Evrard, Marianne; Serrano, Erik; Crochetet, A.; Jules, Jean‐Charles; Gadret, Grégory; Brachais, Claire‐Hélène; Strutynski, Clément; Ledemi, Yannick; Messaddeq, Younès; Smektala, Frédéric

doi:10.1016/j.jallcom.2021.159042

Cited by 24 publications

(20 citation statements)

References 19 publications

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“…The glass transition temperatures T g , the onset crystallization temperature T c as well as the parameter of thermal stability ΔT = T c − T g are recapped in Table 1 . The glass transition temperature of the different samples varies from ~350 °C to ~400 °C, which makes TZY glasses thermally compatible with their lanthanum-containing counterparts as they possess similar T g ranges [ 13 ]. The compositional dependence of the glass transition temperature T g as well as the onset crystallization temperature T c is plotted in Figure 3 d. From this graph, it is obvious that T g monotonously decreases with the increasing tellurium oxide content.…”

Section: Resultsmentioning

confidence: 99%

“…The refractive index range of the present TZY glasses is comparable to that of the zinc–tellurite glasses already reported in the literature [ 24 , 25 , 26 , 27 ]. At 1550 nm, it ranges from 1.939 to 2.062 which is slightly lower than that of lanthanum-containing glasses [ 13 ]. For the identical incorporation of either La 2 O 3 or Y 2 O 3 in the zinc–tellurite matrix, yttrium-based materials have a lower refractive index.…”

Section: Resultsmentioning

confidence: 99%

“…As a result, H-bonds are less likely to form in low tellurium oxide content TZY glasses. Concerning the MIR transmission limit, TZY samples possess a similar multi-phonon edge as compared to TZL glasses [ 13 ]. In tellurite glasses, the transmission towards longer wavelengths is limited, in first approximation, by the oxide contained in the vitreous matrix with the highest phonon energy.…”

Section: Resultsmentioning

confidence: 99%

“…Step-index glass preforms are manufactured using the build-in casting method, which requires a special casting procedure. Detailed descriptions of the build-in casting technique are available in the literature [ 13 , 20 , 21 ]. First, 40 g batches of core and cladding glasses are prepared using the different steps described above.…”

Section: Methodsmentioning

confidence: 99%

“…However, TeO 2 -ZnO binary glasses are difficult to vitrify and a third modifier or intermediate oxide generally needs to be incorporated within the matrix to produce materials with good fiber drawing ability [ 12 ]. Recently, the authors have investigated the TeO 2 -ZnO-La 2 O 3 (TZL) vitreous system [ 13 ], which appears as an interesting system for optical fiber development. Lanthanum oxide helps to increase the glass transition temperature as well as to improve the overall mechanical properties of the glass and thermal stability.…”

Section: Introductionmentioning

confidence: 99%

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Physicochemical Properties and Fiber-Drawing Ability of Tellurite Glasses in the TeO2-ZnO-Y2O3 Ternary System

et al. 2022

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Glasses in the TeO2-ZnO-Y2O3 (TZY) ternary system are examined in the present work. The vitrification domain of the chosen oxide matrix is determined and differential scanning calorimetry as well as X-ray diffraction measurements are carried out. The material characterizations reveal that Y2O3 incorporation cannot exceed 5 mol.% without causing detrimental crystallization within the glass. Optical transmission and refractive index investigations are conducted on compositions yielding fully amorphous samples. Next, the fiber drawing ability of selected yttrium-containing zinc-tellurite glasses is assessed and fiber-attenuation measurements in the mid-infrared are presented. Finally, a multimode step-index fiber is fabricated by combining a TZY cladding glass with a La2O3-based tellurite core glass. It is believed that yttrium-containing glasses could prove useful in association with other high glass transition temperature (>300 °C) TeO2-based materials for the design of robust optical fibers with precisely engineered refractive index profiles.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Physicochemical Properties and Fiber-Drawing Ability of Tellurite Glasses in the TeO2-ZnO-Y2O3 Ternary System

et al. 2022

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Highly Nonlinear Multimode Tellurite Fibers: From Glass Synthesis to Practical Applications in Multiphoton Imaging

Evrard

Mansuryan

Couderc

et al. 2022

Advanced Photonics Research

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supercontinuum (SC) spectra. [2] In particular, SC generation with wavelengths covering all the visible domain and a large part of the silica transparency window has been demonstrated [3] : the spatially single-mode polychromatic beams have widely been employed for linear and nonlinear fluorescence imaging using femtosecond, picosecond, or subnanosecond pulses. [4,5] More recently, multimode optical fibers have also been considered for efficient imaging processes demonstration in the visible and near-infrared domain [6] ; in particular, two and three-photon fluorescence measurements have been demonstrated. Although coupling laser light into a multimode fiber is a relatively easy task, the output beam suffers from spatial and temporal distortions that bring severe limitations to the imaging resolution. Such drawback may be mitigated using optimization techniques such as deep-learning algorithms combined with spatial light modulators [7] ; one can also take advantage of nonlinear effects such as the spatial beam self-cleaning, already reported in the literature also for non-silica graded-index multimode fiber, [8] to reach nearly single-mode output beam, and consequently high transverse resolution images. However, the large core diameter of the multimode fiber requires the use of long spans to obtain significant spectral broadening, owing to the relatively low nonlinear

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Physical and optical properties of TeO2-WO3-GdF3 tellurite glass system

Zhang

Onah

et al. 2022

Ceramics International

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TeO2-ZnO-La2O3 tellurite glass system investigation for mid-infrared robust optical fibers manufacturing

Cited by 24 publications

References 19 publications

Physicochemical Properties and Fiber-Drawing Ability of Tellurite Glasses in the TeO2-ZnO-Y2O3 Ternary System

Physicochemical Properties and Fiber-Drawing Ability of Tellurite Glasses in the TeO2-ZnO-Y2O3 Ternary System

Highly Nonlinear Multimode Tellurite Fibers: From Glass Synthesis to Practical Applications in Multiphoton Imaging

Physical and optical properties of TeO2-WO3-GdF3 tellurite glass system

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