3 June 2005 Investigations on europium doped alumino-silicate xerogel incorporated in micro-channel glass and porous silicon
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Abstract
Porous materials in general have received great attention from the last century. The development of new porous materials and the preparation of new composites based on porous materials is a subject of interest. The development of porous silicon based optical composite materials opened up new ways of incorporating optically active sol-gel materials into porous silicon. High purity silica optical fibres allow the most rapid and efficient data transmission. The objective of this work is to develop micro-channel glass / porous silicon-rare earth doped xerogel and glass composites, which would serve as compact optical amplifiers and delay line devices. Micro-channel glass / porous silicon-xerogel composites have been prepared by incorporation of sol-gel prepared from tetraethoxysilane, aluminium iso-propoxide and europium chloride into the porous matrix. Both xerogel and glass composites have been studied by various techniques such as FTIR, micro-Raman, photoluminescence spectroscopy, EDX and Scanning Electron Microscopy (SEM).
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S. Balakrishnan, S. Balakrishnan, Y. K. Gun'ko, Y. K. Gun'ko, T. S. Perova, T. S. Perova, A. Rafferty, A. Rafferty, R. A. Moore, R. A. Moore, E. V. Astrova, E. V. Astrova, } "Investigations on europium doped alumino-silicate xerogel incorporated in micro-channel glass and porous silicon", Proc. SPIE 5825, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks, (3 June 2005); doi: 10.1117/12.605077; https://doi.org/10.1117/12.605077
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