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8 April 1996 New low-loss IR-transmitting gel-glass fibers
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Proceedings Volume 2780, Metal/Nonmetal Microsystems: Physics, Technology, and Applications; (1996)
Event: Metal/Nonmetal Microsystems: Physics, Technology, and Applications, 1995, Polanica Zdroj, Poland
Silica glasses are important materials for laser application because of high thermal resistance and relatively lower non-linear refraction index than in silicated glasses. A new preparative technique for obtaining silica gel-glasses is presented. This technique permits us to prepare the silica glasses at low temperature. The preparation of silica gel-glasses with a small contamination of OH and CH maoities is possible by baking the samples in F2 or Cl2 atmosphere. The obtained glass rods were then drawn into fibers. The fiber attenuation was measured on 200 micrometer core diameter fibers using the cut-back technique and in agreement with the IEC 875-1 norm. It was found that the new glass has much lower attenuation characteristics at 1.55 micrometer. We believe that optimization of sol-gel processing will completely eliminate water impurity absorption.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Elzbieta M. Beres-Pawlik, Wieslaw Strek, G. E. Malashkevich, A. Melnichenko, and G. Poddenezhny "New low-loss IR-transmitting gel-glass fibers", Proc. SPIE 2780, Metal/Nonmetal Microsystems: Physics, Technology, and Applications, (8 April 1996);

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