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Proceedings Paper

Development of large-core Yb2O3-doped yttria-alumino-silicate nanoparticles-based optical fibers
Author(s): M. C. Paul; A. V. Kir'yanov; S. Das; M. Pal; S. K. Bhadra; Yu. O. Barmenkov; A. Martinez Gamez; J. Luis Lucio Martínez
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Paper Abstract

Yb2O3 doped high yttrium alumino-silicate nano-particles based D- and pentagonal (P-) shaped optical fibers having core diameter around 30.0-35.0 μm have been obtained through the conventional modified chemical vapour deposition (MCVD) process and solution doping (SD) technique using thin wall tubes of CSA, around 58-60 mm2, followed by enlargement of the inner deposition surface area under suitable pressurization. The process parameters at the different stages of preform fabrication have been optimized in order to obtain the uniform distributions of Al, Yb, and Y along the core diameter. Nano-particles were synthesized under soaking of the porous phospho-silicate core layer in a solution of optimum strength of ytterbium chloride, yttrium chloride, and aluminum chloride. The size of nano-particles was maintained within 5-10 nm under doping of 0.2 mol.% of fluorine. The EDX data reveal that the nano-particles are rich in yttria-alumino-silicate phase and dispersed uniformly. The novelty of this technique involves the direct synthesis of rare-earth doped phase-separated nano-particles within the large core of optical fiber. The critical fabrication parameters of the process along with the nano-structuration results and spectroscopic properties are highlighted.

Paper Details

Date Published: 14 October 2010
PDF: 4 pages
Proc. SPIE 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2), 78391Y (14 October 2010); doi: 10.1117/12.868405
Show Author Affiliations
M. C. Paul, Central Glass and Ceramic Research Institute (India)
A. V. Kir'yanov, Ctr. de Investigaciones en Óptica, A.C. (Mexico)
S. Das, Central Glass and Ceramic Research Institute (India)
M. Pal, Central Glass and Ceramic Research Institute (India)
S. K. Bhadra, Central Glass and Ceramic Research Institute (India)
Yu. O. Barmenkov, Ctr. de Investigaciones en Óptica, A.C. (Mexico)
A. Martinez Gamez, Ctr. de Investigaciones en Óptica, A.C. (Mexico)
J. Luis Lucio Martínez, Univ. de Guanajuato (Mexico)


Published in SPIE Proceedings Vol. 7839:
2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2)
Juan Hernández-Cordero; Ismael Torres-Gómez; Alexis Méndez, Editor(s)

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