Explain vapour phase axial deposition in optical fiber
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Towards the end of the process, the gas mixture is modified to form a layer with higher refractive index, the precursor of the fiber core. ... Outside vapor deposition (OVD) is a process where the silica soot is deposited on the surface of some target rod (e.g. a glass mandrel), rather than inside a tube as with MCVD.
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