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9 May 2006 Fiber performance in hydrogen atmosphere at high temperature
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Abstract
Optical losses induced in fibers at 300oC and in hydrogen atmosphere were studied. A non-linear dependence of hydrogen penetration through the carbon coating on hydrogen pressure was observed. It was demonstrated that carbon coating could not defend the fiber from hydrogen penetration for a long time period. At some time, the hydrogen presence in the fiber core resulted in high optical losses in all spectral range in the case of Ge-doped fibers. It was found that the short-wavelength loss edge (SWE) in a Ge-doped fiber co-doped with a small amount of phosphorus was significantly smaller than that in Ge-doped fibers without co-doping. Nevertheless, P-codoping effect did not decrease optical losses related with SWE completely.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sergey L. Semjonov, Alexey F. Kosolapov, Ivan V. Nikolin, Rogerio Ramos, Vladimir Vaynshteyn, and Arthur Hartog "Fiber performance in hydrogen atmosphere at high temperature", Proc. SPIE 6193, Reliability of Optical Fiber Components, Devices, Systems, and Networks III, 61930N (9 May 2006); https://doi.org/10.1117/12.662602
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