An apparatus for manufacturing an optical fiber soot, which comprises a core partition having an opening portion at {HEAD ~ core burner side} provided on {TAIL ~ a periphery} of a core burner, in a reactor of the apparatus to be used in a conventional VAD method 
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An apparatus for manufacturing an optical fiber soot , which comprises a core partition having an opening portion at { HEAD ~ core burner side } provided on { TAIL ~ a periphery } of a core burner , in a reactor of the apparatus to be used in a conventional VAD method
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH