Found 11 document(s)
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Reflector-less refractive index (RI) sensors employ simple optical fiber strictures for the accurate detection of RI changes. They operate in absence of any reflective element such as gratings, filters, interferometers w...
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For years, scientists have been looking for different techniques to make glasses perfect: fully amorphous and ideally homogeneous. Meanwhile, recent advances in the development of particle-containing glasses (PCG), defin...
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Ces travaux font partie intégrante du projet DROÏD qui vise au développement d'un dosimètre réparti à fibre optique. Il est donc nécessaire de développer une fibre très sensible aux radiations gamma. Pour cela, il est pr...
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« Sous les pavés, la plage ! » revendiquait un slogan révolutionnaire de mai 68. Et sous la plage, de silice, ourdissait une autre révolution amorcée deux ans plus tôt, celle des fibres optiques de verre. En 1966, Charle...
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Rare earth (RE) doped silica-based optical fibers with transparent glass ceramic (TGC) core was fabricated through the well-known modified chemical vapor deposition (MCVD) process without going through the commonly used ...
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Les lasers à fibres émettant vers 800 nm sont développées pour différentes applications telles que le médical ou le pompage des fibres dopées au Bi. Nous présentons dans cette communication la premie're modélisation numé...
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Thulium-doped fibers suitable for core-pumped single-frequency lasers were fabricated by the modified chemical vapor deposition (MCVD) method. Refractive index profile, doping profile and spectral absorption was measured...
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DNP are observed in fibres when alkaline-earth elements (Mg, Ca and Sr) are incorporated. Mean size of the DNP, deduced from SEM pictures, depends on the composition... This last composition leads to a low loss fibre... ...
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An efficient method to fabricate transparent glass ceramic fibers containing in-situ grown Er3+-doped oxide nanoparticles is presented. Characterization of the drawn fibers exhibits low loss (0.4 dB/m) and broadened Er3+...
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In this paper we present results relative to Fiber Bragg Grating (FBG) photowritten in two kinds of Ge-doped microstructured optical fiber cores devoted to sensing applications. A cross comparison between theoretical and...