23 September 2005 UV-curable low index hybrid glass as hard cladding for silica fibers
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UV-curable hybrid glass materials, when applied as thin coatings on optical fibers are already known to result in fibers enhanced mechanical strength as well as thermal and environmental stability [1]. These materials, when fully cured offer refractive index in the range 1.470-1.50 measured at 1300 nm. In search for low optical loss and lower refractive index claddings the hybrid glass composition was altered to result in UV curable two component formulation HG-LI (1+2) of refractive index 1. 380 The goal of this study was fabrication and valuation of the optical, mechanical and thermal properties of the silica fibers cladded with this novel hybrid glass material. The silica fibers were drawn and cladded by HG-LI-(1+2) and HG-LI-2. For control fibers, soft silicone resin and hard silicone resin were used as cladding for the same silica preform rod. The basic optical (spectral attenuation) and mechanical characteristics (tensile strength, n parameter) for hybrid glass cladded fibers were performed. Thermo Gravimetric Analysis (TGA) was performed as well. The results showed that hybrid glass cladding has the onset decomposition temperature exceeding 300 °C, whereas the NA values of the silica fiber cladded by HG-LI-(1+2) and HG-Li-2 were 0.31 and 0.33, respectively.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anna B. Wojcik, Anna B. Wojcik, Jan Wojcik, Jan Wojcik, "UV-curable low index hybrid glass as hard cladding for silica fibers", Proc. SPIE 5951, Optical Fibers: Technology, 59510K (23 September 2005); doi: 10.1117/12.625612; https://doi.org/10.1117/12.625612


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