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15 April 1986 Metal Coated Fibers
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Proceedings Volume 0584, Optical Fiber Characteristics and Standards; (1986)
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France
Hermetically-coated optical fibers have been fablicated with aluminum coating using metal dipping method. Mechanical and optical properties of the fibers have been investigated for high temperature applications. Mechanical aging test have been performed at the temperature from 300°C to 400°C by static fatigue mandrel test. Aluminum coated fibers have been proved their fatigue resistivity, there have been no problem at 350°C continuous exposure. Optical aging test have been performed from room temperature to 600 °C. Several kinds of aluminum coated fibers which include different core material or different combination of core and cladding material, have been tested and loss spectra have been evaluated. Ultra-violet absorption tail and OH-absorption peaks appeared in all fiber when heating, but their magnitude and influences for application wavelength seems quite different. In silica core fiber, two absorption increase is small, so that, there is no influences of loss increase at 0.85 μm band. In germanium doped fiber, loss caused by the defect center must be converted to the stable permanent OH when high temperature application.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
K. Inada and T. Shiota "Metal Coated Fibers", Proc. SPIE 0584, Optical Fiber Characteristics and Standards, (15 April 1986);


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